Wed.: d = r*t1 = 50mi/h * (43/60)h = 35.83 mi.
Thu.: t2 = d/r = 35.83/68 = 0.527 h. = 31.6 min.
t1-t2 = 43-31.6 = 11.4 min = Time saved.
On Wednesday you drove from home to work at 50 mph and got there in 43 minutes. On Thursday you drove at 68 mph. Round answers to nearest 10th. Use:
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Round to the nearest 10th and Use Unit Abbreviations for Units.
How long does the trip take on Thursday?How much time did you save by driving 18 mph faster?
1 answer
2 answers