Question 998200
(x * 0.25) + (3x * 0.05) + ((3x - 4) * 0.10) = 8
0.25x + 0.15x + 0.30x - 0.40 = 8
0.70x = 8.40 
x = 12 
There are 12 quarters, 36 nickels and 32 dimes.