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Karen drove continuously from 9:40 a.m. until 1:20 p.m. of the same day and covered a distance of 165 miles. What was her average speed in miles per hour?

 Jun 18, 2020
 #1
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+1

No, you're not dumb!

So, the time elapsed from 9:40 am to 1:20 pm is 3 hours 40 minutes.

 

In 3 hours 40 min = 220 min, she drove 165 miles.

 

165 miles / 220 min = 33 miles / 44 minutes.

 

Try turning that fraction into x miles / 60 minutes!

 Jun 18, 2020
 #2
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I think it's 45...

 Jun 18, 2020
 #3
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Time drivin = 3  2/3 hr

 

average = 165/(3 2/3) mph =......

 Jun 18, 2020

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