SOLUTION: Kate has $6.00 worth of change in nickels and dimes. If she has 4 times as many nickels as dimes, how many of each type of coin does she have?
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Question 104548: Kate has $6.00 worth of change in nickels and dimes. If she has 4 times as many nickels as dimes, how many of each type of coin does she have? Answer by checkley75(3666) (Show Source):
You can put this solution on YOUR website! N=4D
.05N+.10*D=6.00
.05*4D+.10D=6.00
.2D+.10D=6.00
.3D=6.00
D=6.00/.3
D=20 NUMBER OF DIMES
N=4*20
N=80 NUMBER OF NICKELS.
PROOF
.05*80+.10*20=6.00
4.00+2.00=6.00
6.00=6.00
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