A newspaper carrier has $7.30 in change. He has four more quarters than dimes but four times as many nickels as quarters. How m

Question

mixas84 [53]

3 years ago

11

A newspaper carrier has $7.30 in change. He has four more quarters than dimes but four times as many nickels as quarters. How m

any coins of each type does he have?

Mathematics

1 answer:

Tatiana [17] · Answer 1 · 2022-06-24T09:56:51+03:00

Tatiana [17]3 years ago

8 0

Let d be dimes. Then quarters would be d+4; and nickels would be 4(d+4). Then:
.05(4d+16)+.1d+.25(d+4)=7.3
.2d+.8+.1d+.25d+1=7.3
.55d=5.5
d=10
Plug d=10 to get quarters and nickels. ☺☺☺☺

A newspaper carrier has ​$7.30 in change. He has four more quarters than dimes but four times as many nickels as quarters. How m

A newspaper carrier has $7.30 in change. He has four more quarters than dimes but four times as many nickels as quarters. How m