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Roman55 [17]
3 years ago
9

Nick has 30 coins in his pocket. Some coins are nickels. Some are dimes. The total value of all of the coins in his pocket is $1

.65. Let n=Number of nickels . Let d=Number of dimes .
Mathematics
1 answer:
Shtirlitz [24]3 years ago
7 0
N+d=30
0.05n+0.1d=1.65

0.1n+0.1d=3
0.05n+0.1d=1.65
0.05n=1.35
N=27
D=3
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