Evaluate 7r-15/8 when r=3 and 8=5

18

Step-by-step explanation:

multiply 7 and 3

reduce 15/5 to 3

subtract 21-3

18

(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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