If it takes h hours to paint a rectangular will that is x feet wide and y feet long, how many minutes does if take to paint 1 square foot of the bulletin board?

It takes 90 minutes to wash 20 vehicles at a car wash. At this rate, how many minutes does it take to wash 5 vehicles?

It takes 21 minutes for 5 people to paint 7 walls.How many minutes does it take 3 people to paint 5 walls?

A ball in the shape of rectangle is 16 feet long and 12 feet wide. How many tiles with 2 feet x 1 feet are rquired to cover the floor of the hall ?

Water is being poured into a tank at the rate of approximately 4 cubic feet per hour. If the tank is 6 feet long, 4 feet wide, and 8 feet deep, how many hours will it take to fill up the tank ?

Two boys can paint a fence in 5 hours. How many hours would it take 3 boys to paint the same fence?

How many minutes does Aditya take to cover a distance of 400m, if he runs at speed of 20km/hr?

Salvador is trying to scale his rectangular self-portrait down to postcard size. The painting is 9 feet wide by 16 feet long. He is using a scale of 1/3 inch = 1 foot for the postcard-sized self-portrait . What will be the dimensions, in inches , of Salvador's postcard - sized self - portrait ?