SOLUTION: Jose has only nickels and dimes for a total value of $8.35. The number of dimes is 4 less than twice the number of nickels. How many nickels does Jose have?

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Question 1064144: Jose has only nickels and dimes for a total value of $8.35. The number of dimes is 4 less than twice the number of nickels. How many nickels does Jose have?
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
d dimes
n nickels
-
0.1d%2B0.05n=8.35
2d%2Bn=167
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d=2n-4
-
simply substituting,
2%282n-4%29%2Bn=167
.
.