Question 389666: Bill has 4 times as many quarters as dimes.In all he has $2.20.How many coins of each type does he have? Found 2 solutions by haileytucki, richard1234:Answer by haileytucki(390) (Show Source):
4x(0.25)+x(0.1)=2.2
Multiply 4x by each term inside the parentheses.
x+x(0.1)=2.2
Multiply x by each term inside the parentheses.
x+0.1x=2.2
Since x and 0.1x are like terms, add 0.1x to x to get 1.1x.
1.1x=2.2
Divide each term in the equation by 1.1.
(1.1x)/(1.1)=(2.2)/(1.1)
Cancel the common factor of 1.1.
x=(2.2)/(1.1)
Divide 2.2 by 1.1 to get 2.
x=2
So if x=2
then 4x(quarters)=8 quarters
and x=2 dimes
