Mr. Thompson bought a 5-gallon can of paint. After painting his room, 2/5 of the paint was left. How many gallons of paint did he use?

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?

Tony is charged $ 50 and additional $0.15 per miles for renting a car. a) represent the cost of renting a car with an equation,and the determine the cost if he drove it70 miles.b) what would be the cost of a car rental if the car was driven 250 miles? show work