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Chemistry, 08.02.2021 19:00 mrtroll9145
Two brothers are participating in a race. The older brother's average speed is 6 miles per hour and he finishes the race in 1 hour and 20 minutes. If the younger brother's average speed is 4 miles per hour, how long will it take him to complete the race?
A.) 45 min
B.) 2 Hours
C.) 4 Hours
D.) 30 min
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Answers: 2
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Two brothers are participating in a race. The older brother's average speed is 6 miles per hour and...
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