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pogonyaev
3 years ago
9

n his pocket, Hamid has $2.95 in dimes and quarters. If there are 16 coins in total, which system represents the number of dimes

and quarters that Hamid has?
Mathematics
2 answers:
Ivenika [448]3 years ago
6 0
D + q = 16
0.10d + 0.25q = 2.95

that is ur system of equations
N76 [4]3 years ago
4 0
X=dimes    y=quarters

0.1x + 0.25y = 2.95
x+y = 16

from the second equation, x = 16 - y and thus 0.1 (16-y) +0.25y = 2.95 ==> y=9. Finally, x + 9 = 16 ==> x=7

7 dimes, 9 quarters
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