SOLUTION: Helen purchased 3 books from an online bookstore and received a 20% discount on her total order. Each book cost the same amount. The shipping cost was $10 and was not discounted.

Question 1163619: Helen purchased 3 books from an online bookstore and received a 20% discount on her total order.
Each book cost the same amount. The shipping cost was $10 and was not discounted. Write an
expression that can be used to represent the total amount Helen paid for 3 books plus the shipping
cost. Simplify the expression, and following identify each term, the constant term, and the factors and coefficients of the terms that contain a variable.

Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
p, price for any book

Helen's cost:
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