Trinity N.

asked • 01/27/17

A student walked 25km in 4 hours what was the average speed in Km per hour?

 Math problem that I don't get 

1 Expert Answer

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Mark M. answered • 01/27/17

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s represents his speed
25 : 4 :: s : 1              proportion
4s = 25                      product means/extremes
 
Can you solve for s?
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Trinity N.

Still confused
 
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01/27/17

Mark M.

How about
25 / 4 = 6.25?
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01/27/17

Trinity N.

That's what I got but then I rounded it to 6 is that right
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01/27/17

Mark M.

No need or requirement to round. The student walked at 6.25 kph.
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01/27/17

Trinity N.

Thanks that really helped ??????
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01/27/17

Mark M.

Welcome! Glad to have helped.
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01/27/17

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