Abus makes 28 stops every 2 hours how many stops does t make in 3 hours? 4 hours?

Is a positive integer raised to a negative power always positive

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?