heathercasterline80 heathercasterline80
  • 19-11-2018
  • Mathematics
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It took team rise over run 1 2/3 hours to hike 4 2/3 miles. What is their average speed in miles per hour?

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bunnymarshmarloykw47
bunnymarshmarloykw47 bunnymarshmarloykw47
  • 24-11-2018

To find their average miles per hour we can divide the total miles by the hour used:

4 2/3 ÷ 1 2/3

=4x3+2/3 ÷ 1x3+2/3

=14/3 ÷ 5/3

In division, when we switch the place of numerator and denominator, we can change it to multiplication which makes the calculation easier as we can factorize the numbers.

=14/3 x 3/5

Factorize 3 in both amounts:

=14/1 x 5/1

=14/5

=2.8 miles/hour

Therefore their average speed is 2.8 miles/hour.

Hope it helps!

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