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monitta
3 years ago
6

The ice skating rink charges an hourly fee for skating and $3 to rent skates for the day. Gillian rented skates and skated for

Mathematics
1 answer:
Colt1911 [192]3 years ago
8 0

Answer:  C(x) = 3x + 3

<u>Step-by-step explanation:</u>

C(x) = mx + b

Given: when x = 3 hours, C(x) = $21 total charge, b = $3 skate rental

    21 = 3m + 3

    18 = 3m

     6 = m

Answer for any given x is: C(x) = 3x + 3

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