SOLUTION: Joel has 25 coins in nickels and dimes. The coins are worth $2.05. The system of eqautions n+d=25 0.05n+0.10d=2.05 represents this situation. If n represents the number of nicke

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Question 431648: Joel has 25 coins in nickels and dimes. The coins are worth $2.05. The system of eqautions
n+d=25
0.05n+0.10d=2.05
represents this situation. If n represents the number of nickels Joel has, what is the value of n?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
n+d=25
5n+10d=205
5n+5d=125
5d=80
d=16
n=9
Joel has 9 nickels and 16 dimes..