Juan spent 1 1/2 hours working on a project on monday, 2 hours on tuesday, and 2 3/4 hours on thursday. how many hours did it take him to finish the project?

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

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?

Acar loses a quarter of its value every year. it is originally worth $35,000. to the nearest dollar,how much will the car be worth in 8 years?