Question

Connie has to solve the following problem.

5 boxes of cereal costs $12.50. How much will 18 boxes cost.
Choose EVERY proportion Connie could use to solve this problem.
= 12.50
12.50
13,5 = 18

Answer 1

Explanation:

= 12.50

12.50

13,5 = 18

Answer 2

`\$45`

Explanation:

we know that

5 boxes of cereal costs $12.50

so

Using proportion

Find how much will 18 boxes cost

Let

x -----> the cost of 18 boxes

`(12.5)/(5)(\$)/(boxes)=(x)/(18)(\$)/(boxes)\\ \\x=12.5*18/5\\ \\x=\$45`