How does the time of maximum surface temperature compare with the time of maximum duration?

Tamera puts 15/4 gallons of gasoline in her car. which mixed number represents the gallons of gasoline? a) 2 3/4 gallons b) 3 1/4 gallons c) 3 3/4 gallons d) 4 1/2 gallons answer it's worth a lot of points!

For the equations below which statement is true ?

Can someone me and do the problem plz so i can understand it more better