Rounded to the nearest ten thousandth of 1.181351

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!

What’s the answer ? use the picture to see the problem

Ineed to know how to write question one in mathematical terms