Respuesta :

1 mile in  0.0571 gallon

so, 875 mile in  0.0571 * 875 = 50 gallons

hope it helped
Firstly you divide 350/ 20 = 12.5, which is one gallon driving.
Now 875 / 12.5 = 50
The answer is 50 gallons.

Hope this helps.