SOLUTION: A book was sold for $20, making a 25% profit on the selling price. What was the cost price?

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Question 978597: A book was sold for $20, making a 25% profit on the selling price. What was the cost price?
Found 3 solutions by Edwin McCravy, Cromlix, 428225:
Answer by Edwin McCravy(20062) About Me  (Show Source):
You can put this solution on YOUR website!
A book was sold for $20, making a 25% profit on the selling price. What was the
cost price?
The selling price is 125% of the cost price.

$20 is 125% of what?

20+=+1.25x

20%2F1.25=x

16=x

Answer: $16

Edwin

Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Hi there,
100 + 25 = 125%
125% = $20
1% = $20/125
100% = $20/125 x 100
100% = $16
Cost price = $16
Hope this helps:-)

Answer by 428225(90) About Me  (Show Source):