Question 53492
Quarters=x Dimes= 2x Nickels=2x+5
If you multiply those variables by how much the coin is worth it will equal $3.
.25x + .1(2x) + .05(2x+5) = 3
.25x + .2x + .1x + .25 = 3
.55x = 2.75
x = 5
So you have 5 quarters, 10 dimes, and 15 nickels.