Problem Solution Liza studied 1/4 hour on Saturday and 1/2 hour on Sunday. How long did she Study in two days? Mother bought 2/4 kg of chico and 1/4 kg of grapes. How many kilograms of fruits did she buy? Kaye helps her mother tend to their store on weekends. She works in the store for 4 1/2 hours on Saturday and 3 1/4 hours on Sunday. How many hours in all does Liza work in their store on weekends.​