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| Topic: A Little Math Help Please? | |
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OK, I am totally stupid when it comes to math. I see numbers and I freeze up. I am taking math right now. Something that should be easy as it is nothing but adding, subtracting, multiplying and some division.
Right now I am four assignments behind. I am trying to catch up and am almost there. Until I ran across this problem: A discount store offers all its merchandise at 25% off the manufacturers' list price. When merchandise has been in the store one month, it is reduced by 15% of the fist discounted price. When it has been in the store two months, it is reduced by 20% off the second discounted price. Use an item with the list price of $100 to show that the discount after two months in the store is not equal to a 60% (the sum of 25%, 15%, and 20%) discount. Explain your results. I know that this problem is going to seem simple to a lot of you, but as for me, I sit here and scratch my head. |
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Edited by
JasmineInglewood
on
Mon 03/09/09 09:08 PM
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after two months the price is 51.15
so... the discount is 48.85% me thinks oh god i feel like i just embarrassed myself cuz i suck at math too 
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after two months the price is 51.15 so... the discount is 48.85% me thinks oh god i feel like i just embarrassed myself cuz i suck at math too
 Awe you are sweet for trying. But if you do not mind, I want a second opinion. Just in case. 
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Edited by
sandradee1961
on
Mon 03/09/09 09:28 PM
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$100 x 25% = first discount
subtract from $100 first discounted price x 15% = second discount subtract from first discounted price second discounted price x 20% = third discount subtract from second discounted price You will come up with a totally different answer that if you add 25% + 15% + 20% and then multiply it by $100. |
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lex where's lex.!! just a hint.!!
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Edited by
JasmineInglewood
on
Mon 03/09/09 09:19 PM
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100 - 25% = 75
75 - 15% = 63.75 63.75 - 20% = 51.00 therefore discount is: 100 - 51.00 = 49.00 49.00/100 = 49%* *after correction to division error |
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Thank you guys SO much for your help
. Homework complete. 
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i hope you know this is considered cheeting. :p
heh |
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i hope you know this is considered cheeting. :p heh |
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i think i remember you from awhile ago
sorry i have no idea what the answer you need is
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Edited by
HawaiiMusikMan
on
Mon 03/09/09 10:36 PM
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OK, I am totally stupid when it comes to math. I see numbers and I freeze up. I am taking math right now. Something that should be easy as it is nothing but adding, subtracting, multiplying and some division. Right now I am four assignments behind. I am trying to catch up and am almost there. Until I ran across this problem: A discount store offers all its merchandise at 25% off the manufacturers' list price. When merchandise has been in the store one month, it is reduced by 15% of the fist discounted price. When it has been in the store two months, it is reduced by 20% off the second discounted price. Use an item with the list price of $100 to show that the discount after two months in the store is not equal to a 60% (the sum of 25%, 15%, and 20%) discount. Explain your results. I know that this problem is going to seem simple to a lot of you, but as for me, I sit here and scratch my head. After two months, the price is $51.00 dollars. If it were a 60% discount, the final price would would only be $40. Jasmin was close 
edit: nevermind; she fixed it! |
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OK, I am totally stupid when it comes to math. I see numbers and I freeze up. I am taking math right now. Something that should be easy as it is nothing but adding, subtracting, multiplying and some division. Right now I am four assignments behind. I am trying to catch up and am almost there. Until I ran across this problem: A discount store offers all its merchandise at 25% off the manufacturers' list price. When merchandise has been in the store one month, it is reduced by 15% of the fist discounted price. When it has been in the store two months, it is reduced by 20% off the second discounted price. Use an item with the list price of $100 to show that the discount after two months in the store is not equal to a 60% (the sum of 25%, 15%, and 20%) discount. Explain your results. I know that this problem is going to seem simple to a lot of you, but as for me, I sit here and scratch my head. After two months, the price is $51.00 dollars. If it were a 60% discount, the final price would would only be $40. Jasmin was close
ahem. i was right. not close the question asked for the discount, not the price. which i provided correctly after some minor correction 
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A discount store offers all its merchandise at 25% off the manufacturers' list price. When merchandise has been in the store one month, it is reduced by 15% of the fist discounted price. When it has been in the store two months, it is reduced by 20% off the second discounted price. Use an item with the list price of $100 to show that the discount after two months in the store is not equal to a 60% (the sum of 25%, 15%, and 20%) discount. Explain your results. $100*0.75*0.85*0.8= $51.00 Sorry, that's how I parse it in my head. |
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OK, I am totally stupid when it comes to math. I see numbers and I freeze up. I am taking math right now. Something that should be easy as it is nothing but adding, subtracting, multiplying and some division. Right now I am four assignments behind. I am trying to catch up and am almost there. Until I ran across this problem: A discount store offers all its merchandise at 25% off the manufacturers' list price. When merchandise has been in the store one month, it is reduced by 15% of the fist discounted price. When it has been in the store two months, it is reduced by 20% off the second discounted price. Use an item with the list price of $100 to show that the discount after two months in the store is not equal to a 60% (the sum of 25%, 15%, and 20%) discount. Explain your results. I know that this problem is going to seem simple to a lot of you, but as for me, I sit here and scratch my head. After two months, the price is $51.00 dollars. If it were a 60% discount, the final price would would only be $40. Jasmin was close
ahem. i was right. not close the question asked for the discount, not the price. which i provided correctly after some minor correction
Guess you didn't see my edit ^^^ You're pretty smart for a kitty with a melon on your head
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why thank you kind sir. 
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Thank you guys SO much for your help . Homework complete.
It'll get fun when you get to planar trigonometry. |
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