If a laptop is on sale for 15% off . if the origonal price of the laptop was L , what is the sale price in terms of L?

Apath 3 m wide runs around the inside of a square park inside 60 m.find the area of the path.pls

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?