Suppose that the height (in centimeters) of a candle is a linear function and the amount of time (in hours) it has been burning.
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Two sevenths over two fifths = five over seven mile per hour
The unit rate is 5 over 7 miles per hour
<em><u>Solution:</u></em>
Given that, Suzanna walked two over seven of a mile in two over five of an hour
We have to find the unit rate in miles per hour
Unit rate means number of miles covered in 1 hour
From given information,
Two over seven of a mile in two over five of an hour
Which means,
To find for number of miles covered in 1 hour, divide the
Two sevenths over two fifths = five over seven mile per hour
Thus unit rate is 5 over 7 miles per hour