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OpenStudy (anonymous):
OpenStudy (anonymous):
@Atsie
OpenStudy (anonymous):
@whpalmer4
OpenStudy (whpalmer4):
find the price for each option. which is lowest/
Atsie (atsie):
Which looks like the lowest price to you? @OpenStudier0
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OpenStudy (anonymous):
A
OpenStudy (whpalmer4):
option A is $8.99
option B is more, but you get a rebate of $5. what does it cost after you account for getting $5 back?
OpenStudy (anonymous):
7.75?
OpenStudy (whpalmer4):
yes. A doesn't look like the best deal any longer, does it?
OpenStudy (whpalmer4):
now we have to figure out the price of option C. What is 15% of $11.49?
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OpenStudy (whpalmer4):
we will subtract that amount from the regular price of $11.49 and compare the result with the $7.75 cost of option B
OpenStudy (anonymous):
9.7665?
OpenStudy (anonymous):
or is it 9.8
OpenStudy (whpalmer4):
10% of 11.49 = 1.15
5% = 1/2 of 10% = 0.58
15%= 1.73
11.49-1.73=10.76
option B is best price
OpenStudy (anonymous):
Thank you so much!
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OpenStudy (whpalmer4):
not actually necessary to find option C'a price exactly, so long as you can estimate it and be sure it is more expensive. 20% is easy to calculate, and if the price after a 20% discount is still higher, no need to know what price after a 15% discount is to the last cent, right?
20% of 11.49 = 2.30, and 11.49-2.30 = 9.19, which is still much more than 7.75