Concept explainers
To calculate:
The kinds of the coin are there
Answer to Problem 11P
The total number of the dimes is
Explanation of Solution
Given information:
Number of the dimes:
Number of the quarters:
Total value:
Calculation:
Let the number of the dimes be
The equation relating the value of the type of coin and the total value:
Put the value of
Use the distributive property:
Then subtract
The lower common denominator for equation (2) is
Divide both sides by
Substitute the value of
The number of dimes is
The total money gives
Hence, the total number of the dimes is
Chapter 1 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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