Answer:
1 and a half hours of work
Explanation:
You minus 66 and 24 to get 42. Then you divide 42 and 14
1.5 hours
make each half hour represent t
Cost C(t) = 24 + 14t
66 = 24 + 14t
42 = 14t
t = 3
3 half hours = 1.5 hours
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