Mathematics, 09.03.2020 14:41 sierravick123owr441

A train is traveling at 60 mph. If the rate of speed increases 4 mph each hour, how long will it be before the train is traveling at a rate of 80 mph?
A. 4 hours
B. 5 hours
C. 6 hours
D. 7 hours

Answers: 2

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A train is traveling at 60 mph. If the rate of speed increases 4 mph each hour, how long will it be...