Question

If 12 rolls of toilet paper cost $4 how many rolls of toilet paper can you buy for $8?

Answer 1

24 rolls

Explanation:

12 rolls x rolls

------------ = ------------------

4 dollars 8 dollars

Using cross products

12*8 = 4x

96 = 4x

Divide by 4

96/4 = 4x/4

24 =x

24 rolls