To answer this lets multiply d amounts of miles per gallon by d amount of gallons. lets do it:-
24.19 × 6 = 145.14
Mr. Anderson can travel 145.14 miles.
CHECK OUR WORK:-
145.14 ÷ 6 = 24.19
We were RIGHT!!!!
So, C. Mr. Anderson can travel 145.14 miles.
Hope I helped ya!!!! xD