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Tom has two ways he could drive home from work. He could take Highway 99 for 45

ID: 2284176 • Letter: T

Question

Tom has two ways he could drive home from work. He could take Highway 99 for 45 miles with a speed limit of 65 mi/h, or he could take Interstate 5, which would take him a bit out of the way at 53 miles, but with a speed limit of 75 mi/h.

(a) Assuming Tom misses the rush hour and drives at an average speed equal to the maximum speed limit, which route gets him home the fastest?

Highway 99 or Interstate 5     _______________________________


How much time does he save?
________________________min

(b) If Tom breaks the law and travels at 75 mi/h on Highway 99, how much time would he save (if he is not stopped to get a speeding ticket) compared with driving at the legal speed limit on Highway 99?
________________________min

Explanation / Answer

i think that a) 25 min b) 45 min