Manuel wants to calculate how many miles his father’s car travels on one gallon of gas. He knows that on a full 15-gallon tank of gas, the car can travel 225 miles. Which equation could Manuel use to calculate m, the car’s mileage per gallon?

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio