Paint can only be purchased in 1-quart, 1-gallon, and 5-gallon containers. cans of paint cost $10.90 for a quart, $34.90 for a gallon, and $165.00 for 5 gallons. You have a coupon for 20% off all quart-sized paint cans. How does that affect the cost of the project?

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?