Question

Soup cost 10 for 3 cans. Josh spent $40 on soup.How many can did he buy

Answer 1

$10 can buy = 3 cans

$1 can buy=3/10 cans

$40 can buy =(3/10)*40=12 cans

Answer 2

He bought 12 cans of soup

Explanation:

We can use a ratio to solve this problem.

$10 $40

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

3 cans x cans

Using cross products

10* x = 3 * 40

10x = 120

Divide by 10

10x/10 = 120/10

x = 12