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Mathematics 21 Online
OpenStudy (anonymous):

3.Store E offers a book that Karen wants for 20% off its regular price of $15.00. Store F sells the same book for $15, before a $3.00 mail-in rebate. Where should Karen purchase the book? Explain your reasoning. (Be sure to consider the cost of postage, as well as the time and effort required to mail in the rebate request in your response.)

OpenStudy (anonymous):

Find 20% of 15 0.20 * 15 Multiply, what do you get?

OpenStudy (anonymous):

@iGreen. 3?

OpenStudy (anonymous):

Yes, so both of them have $3 off the original price.

OpenStudy (anonymous):

yep

OpenStudy (anonymous):

But however, it would be best if Karen purchases the book at Store E because all she has to do is go and buy it. But at Store F, you have to pay for postage and take time to mail in the rebate.

OpenStudy (anonymous):

Understand? @momo22_1

OpenStudy (anonymous):

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