SOLUTION: A bookstore priced all hardback books at $5 a book and all paper back books at $1. The store sold 30 more paper backs than hardbacks. Total sales were $354. How many of each typ
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Question 220203: A bookstore priced all hardback books at $5 a book and all paper back books at $1. The store sold 30 more paper backs than hardbacks. Total sales were $354. How many of each type were sold. Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = number of hardbacks soold
Let = number of paperbacks sold
given:
(1)
and
(2)
Multiply both sides of (1) by and add to (2)
and
84 paperbacks and 54 hardcovers were sold
check answer:
(2)
OK
