SOLUTION: The sales price of a photography book is 20 percent off the list price. If the sales price is $10 what is the list price ?

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Question 366729: The sales price of a photography book is 20 percent off the list price. If the sales price is $10 what is the list price ?
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
let L = list price. Then 0.80L = 10, or L = 12.50.