In a test, a new hybrid car drove 619 yards on 1 ounce of gasoline. What is the rate in miles per gallon

Question

round to the nearest tenth

Answer 1

1 gallon = 128 fluid ounces.

 

619 yards                 ?  yards

--------------- =  --------------------

 1 fluid ounce         128 fluid ounces

 

 

? = 79232 yards, per cross mutliplication

 

1 mile = 1760 yards

 

   1 mile           ?

-----------  = --------------

  1760 yd         79232 yd

 

? = 45.018018018.... = 45.018 

 

                               = 45 and 18/999 = 45 and 2/111

 

Just over 45 miles per gallon