Tom practice piano 1 1/3 hours on monday and 5/6 hours on tuesday how much did he practiced in all those two days

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab