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mary drove for four hours on an interstate highway at a constant rate of 60 miles per hour. during the next hour, she drove on a state road at a slower rate of 40 miles per hour. how many miles did mary travel on her trip?

2 Answers

3 votes

the answer was 280, Take your chances with it, I did it on edgeinuity but it wont let me show the screenshot i took

User Brian Wells
by
6.9k points
7 votes

Explanation:

speed = distance/time

distance = speed × time.

so, for the first 4 hours

distance = 60 m/h × 4 h = 240 miles

and for the next hour

distance = 40 m/h × 1 h = 40 miles

she traveled therefore

240 + 40 = 280 miles

User Ajaxharg
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6.4k points