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Jason leaves Detroit at 7:00 PM and drives at a constant speed west along I-96. He passes Ann Arbor, 40 mi from Detroit, at 7:48 PM. (a) Express the distance traveled in terms of the time (in hours) elapsed.

2007-09-04 04:51:40 · 3 answers · asked by lady_divine@sbcglobal.net 1 in Science & Mathematics ➔ Mathematics

3 answers

48 mins = .8 hr, so 40mi/.8 hr = 50 mi/hr

2007-09-04 04:57:22 · answer #1 · answered by John V 6 · 0⤊ 0⤋

40 miles / 48 min * 60 min/hr = 50 mph

2007-09-04 11:59:47 · answer #2 · answered by gebobs 6 · 0⤊ 0⤋

1 hour = 60 min.
48 min x (1 hr/60 min) = 0.8 hour
40 mi / 0.8 hour = 50 mi/hour

2007-09-04 12:08:37 · answer #3 · answered by Doodles 3 · 0⤊ 0⤋