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John has $ 1.35 $1.35 in nickels and dimes in his pocket. He has six more nickels than he does dimes. How many of each does he have?

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jepessoa

Answer:

John has 7 dimes and 13 nickels

Explanation:

let N = nickels

let D = dimes

5N + 10D = 135

N = D + 6

5(D + 6) +10D = 135

5D + 30 + 10D = 135

15D = 135 - 30 = 105

D = 105 / 15 = 7

N = D + 6 = 7 + 6 = 13

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