Homework Help: Problem Solving

Posted by Cris on Wednesday, October 12, 2011 at 2:51am.

John bought a shirt on sale for 25% off the original price and another 25 % off the discounted price. If the final price was $16, what was the price before the first discount? (Please i need to present it to our school. I dont know how to solve it. Can you post step by step?)

Problem Solving - Steve, Wednesday, October 12, 2011 at 4:39am
original price = p
price after first 24% discount = .75p
he second 25% discount reduces the already reduced price to .75*.75p = .5625p

So, if .5625p = 16,
p = 16/.5625 = $28.44

check:
25% off $28.44 = $21.33
25% off $21.33 = $16.00
Problem Solving - Cris, Thursday, October 13, 2011 at 8:23am
Thanks a lot Steve. Ur an angel.

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