A car takes 4 hours to drive from Town A to Town . If it increases its average speed by 20 km/h, it only needs 3 hours to arrive at Town B. How far from Town A is Town B?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers