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To find: The number of each kind of coin Sally have.
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Answer to Problem 8P
The number of dime is
Explanation of Solution
Given information:
Sally has
Total coins is
Calculation:
Assume that the number of dimes be
Form the linear equation using given information.
Substitute the value of
Form another equation using given information.
Substitute the value from equation (1) to equation (2).
Substitute the value of
Therefore, the number of dime is
Chapter 9 Solutions
Algebra: Structure And Method, Book 1
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