jmc

Question

Eleven pencils cost as much as three pens. If seven pens cost 9.24$, what is the cost, in cents, of one pencil?

Accepted Answer

If seven pens costs 9.24, then each pen costs 9247=132 cents. Now we can multiply ratios to find the cost of one pencil. 11 pencils3 pens1 pen132 cents=111323=1123=1 pencil36 cents The ratio is 1 pencil to 36 cents, so a pencil costs 36$ cents.