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4 years ago

a woman has $1.70 in dimes and nickels.She has 5 more dimes than nickles. How many nickles does she have

Mathematics

1 answer:

stiks02 [169]4 years ago

7 0

D=5+n
0.1(5+n)+0.05n=1.7
0.5+0.15n=1.7
0.15n=1.2
n=8
d=13
therefore 8 nickles and 13 dimes.

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