Question

For every 3 wrapped packages Mary uses 1/2 roll of wrapping paper how many packages can she wrap with 2 1/2 rolls of wrapping paper? ​

Answer 1

15 packages

Explanation:

Set up a proportion, where x is the number of packages she can wrap with 2.5 rolls of wrapping paper:

`(3)/(0.5)` =
`(x)/(2.5)`

Cross multiply and solve for x:

0.5x = 7.5

x = 15

So, with 2.5 rolls of wrapping paper, she can wrap 15 packages