SOLUTION: Ann has $3.25 worth of change in nickels and dimes. If she has 3 times as many nickels as dimes, how many of each type of coin does she have?

Question 1084410: Ann has $3.25 worth of change in nickels and dimes. If she has 3
times as many nickels as dimes, how many of each type of coin does she have?
Found 2 solutions by josgarithmetic, addingup:
Answer by josgarithmetic(39623) (Show Source): You can put this solution on YOUR website!
n nickels
d dimes

-

CHECK:

solution works.
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
n = 3d
0.05n+0.10d = 3.25
0.05(3d)+0.10d = 3.25
0.15d+0.10d = 3.25
0.25d = 3.25
d = 3.25/0.25 = 13
So she has 13 dimes. And n = 3d = 3(13) = 39
------------------------------------
Check:
0.10*13 = 1.30
0.05*39 = 1.95
. . . . ______
Total . . 3.25 Correct

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