How do i turn the variable into a number?

You cant turn variables into numbers unless it tells you specifically what they equal. The answer to this is just 7h-70 because thats as far as you can simplify it.

(2,20) means that the 2 is 2 hours and 20 is 20$. so there both 20$ for 2 hours only the same price. like it says. so, the dunk tank and the bounce house are the same price (20$) for the same amount of time (2 hours).

hope i

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