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A turtle walked 1/2 mile at the rate of 1/5 mile per hour. how long did it take?

Sagot :

luana
[tex]speed=\frac{distance}{time}\ \ \ | multiply\ by\ time\\\\ speed*time=distance\ \ \ | divide\ by\ speed\\\\ time=\frac{distance}{speed}\\\\ distance=\frac{1}{2}mile\\ speed=\frac{1mile}{5hour}\\\\ time=\frac{\frac{1}{2}mile}{\frac{1mile}{5hour}}=\frac{1}{2}mile*5\frac{mile}{hour}=\frac{5}{2}hour=2,5h\\\\ It\ will\ take\ 2,5 \ hours. [/tex]
2.5 hours

you need half of five because its the overall speed in miles per hour and you went half, so you divide the top of the fraction by half of the bottom and voila, 2.5 hours. 
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