Use the quadratic formula to find the solution to the quadratic equation below pt2

Combined megan and kelly worked 60 hours.kelly worked twice as many hours as megan.how many hours did they each worked?

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

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)