The length of a pencil is 7 inches and the width is 1/2 inches. Shawna created a scale factor of the pencil for art class. The model is 35 inches long. What is the width of the model?

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

Nikolas calculated the volume of the prism. his work is shown below.