5D = Q
D + 6 = N
.05N + .10D + .25Q = 5.30
Substitute terms.
.5(D+6) + .10D + .25(5D) = 5.30
Solve for D, then N and Q.
Jim has some nickels, dimes and quarters worth $5.30. There are five times as many dimes as quarters, and six more nickels than dimes. How many of each kind of coin does he have?
1 answer