Question

Tickets to the end of year carnival are 18$ for 4 tickets what is the cost of 9 tickets

Answer 1

40.5

Explanation:

This is divied 18 and 4

= 4.5

Then 4.5*9=40.5

Answer 2

40.50 for 9 tickets

Explanation:

We can use a proportion to solve

18 dollars x dollars

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

4 tickets 9 tickets

Using cross products

18 *9 = 4x

162 = 4x

Divide by 4

162/4 = 4x/4

40.50 =x