Answer:
40.5
Explanation:
This is divied 18 and 4
= 4.5
Then 4.5*9=40.5
40.50 for 9 tickets
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
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