Question 1197687
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Hi  
Mileage is{{{ 19(mi/gal)}}} 
Using m for miles  and g for gallons in the tank
     mi = {{{ (19(mi/gal)g)}}} 
     mi = 19g
As to the Units: {{{ mi = (mi/cross(gal))*cross(gal)}}}
 Naturally Your answer m  would be in mi

Wish You the Best in your Studies.
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