Question

Max's car holds 18 gallons of gasoline.Driving on the highway, the car uses approximately 2 gallons per hour. Let h represent the number of hours Max had been driving on the highway. Write an expression that shows how many gallons of gasoline Max had left after driving h hours.

Answer 1

so amount minused=hours driven times gallons per mile=h times 2 or 2h


so we minus 2h

18-2h is the expression