Question

If yoi get 20 5/7 miles on 5/7 galones of gas ,how many miles do you get per gallon

Answer 1

$\dfrac{5}{7} \text { gallons }= 20\dfrac{5}{7} \text { miles }$

To fine one gallon: 

$20 \dfrac{5}{7} \div \dfrac{5}{7}$

$= \dfrac{145}{7} \times \dfrac{7}{5}$

$= 29$

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Answer: 1 gallon can traveled 29 miles
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