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hjlf
3 years ago
8

a jar of nickels and dimes contains 3.30. There are 27 more nickels than dimes. how many of each are there?

Health
1 answer:
blagie [28]3 years ago
6 0
<span>et x be the number of dimes.

Then there is 0.1x + 0.05(x+27) cents in the jar, so

0.1x + 0.05(x+27) = 3.30

Distributing,

0.1x + 0.05x + 1.35 = 3.30
0.15x = 1.95
x = 13

There are 13 dimes, and thus, 40 nickels in the jar.</span>
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