Concept explainers
The number of records that the dealer sold.
Answer to Problem 3P
The number of records sold is 180.
Explanation of Solution
Given:
Price of record = $7.
Price of tape = $7.50.
Dealer sold 60 more records than tapes.
Total sale = $2160.
Calculation:
Let the number of tapes the dealer sold be x.
Then, the number of records the dealer sold will be x + 60.
Then the number of records sold by the dealer can be calculated as:
So, the number of tapes sold is 120 and the number of records sold is x + 60, i.e. 120 + 60 = 180.
Chapter 1 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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