rosiedoodle11 rosiedoodle11 11-05-2016 Business contestada Suppose Grady starts out with a full tank of gas in his car, and drives 540 miles home from college for spring break. Once he gets home, he spends $71.10 at $3.95 per gallon to refill his tank. What is his car’s MPG rate? a. 18 b. 24 c. 30 d. 36