Question

Billy is buying soda for a class party. He needs five 2-liter bottles. If three 2-liter bottles cost $7.00, how much will five cost?

Answer 1

$11.66

Explanation:

3 bottles cost 7.00 so make a ratio 3/7

5 bottles costs ? so turn that into a ratio 5/?

3/7=5/? cross multiply

3?=35

35/3=$11.66