Question 760009
let x be the number of nickels, then
.05x +.10(x+4) +.25(x+6) = 4.30
.05x +.10x+.4 +.25x+1.5 = 4.30
.4x +1.9 = 4.30
.4x = 2.4
x = 6
so we have 6 nickels, 10 dimes and 12 quarters