Question

A display case of glitter stickers are marked 15 for $2. If Cathy wants to buy 30 glitter stickers, how much will Cathy spend?

Answer 1

$4, 15 x 2=30

2 x 2=4

Answer 2

4 dollars

Explanation:

We can write a ratio to solve

15 stickers 30 stickers

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

2 dollars x stickers

Using cross products

15x = 2*30

15x = 60

Divide by 15

15x/15 = 60/15

x = 4