I WILL MARK BRAINLIEST IF YOU HELP ME WITH QUESTION FOUR!

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Acarton of juice contains 64 ounces miss wilson bought six cartons of juice how many ounces of juice did she buy

You went to a restaurant and spent $53.25 on the meal. there was a 6% sales tax. what was the amount of money, not including a tip, you spent at the restaurant?