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

40.50 for 9 tickets

Step-by-step 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

40.5

Step-by-step explanation:

This is divied 18 and 4

= 4.5

Then 4.5*9=40.5

math is easy but for slow people it is hard like me