Can anyone please help me?:/

Nell has a sales clerk job that pays $12 per hour for regular gas work hours. she gets double time for any hours over 40 that she works in a week. how many hours did nell work if her weekly pay was $744

1foot = 12 inches; 1 yard = 3 feet

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