Can you answer the question i really need

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!

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?