If a - 5b - 3 = 8, then the straight line ax + by + c = 0 must pass through the point I) (1, 5)
II) (1, -5)
III) (5, -1)
IV) (-1,5)

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(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

17.08

correct me if i am wrong.