Concept explainers
To find: The number of dimes.
Answer to Problem 8P
There are 12 numbers of dimes.
Explanation of Solution
Given information: She/he has 8 more quarters than dimes. The worth of coins is $6.20.
Concept used: 1 dime = $0.10
1 quarter= $0.25
Calculation:
Let there are ‘d’ number of dimes.
There are 8 more quarters than dimes.
The equation could be formed for this is
The worth of coins is $6.20
The equation is
Distribute and combine like terms
Subtract both sides 2
Divide both sides by 0.35
Plug in d as 12 into
Conclusion: There are 12 numbers of dimes.
Chapter 3 Solutions
Algebra: Structure And Method, Book 1
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