Asked by Maia
There are a total of 81 coins that equal $5.75. There are only dimes and nickels in the container. How many dimes are there? How many nickels are there?
Answers
Answered by
Henry
X dimes.
81-x nickels.
0.1x + 0.05(81-x) = 5.75
Multiply both sides by 100:
10x + 5(81-x) = 575.
x = ?
81-x nickels.
0.1x + 0.05(81-x) = 5.75
Multiply both sides by 100:
10x + 5(81-x) = 575.
x = ?
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