rangel

Perimeter of traffic sign is 140 inches. The length is 14 inches longer than the width. Find the dimensions of the sign.

If a plane can travel 500 miles per hour with the wind 400 miles per hour against the wind, find the speed of the plane without a wind and the speed of the wind? What is the speed of the plane in still air?

What were out of pocket expenses for elderly person in poor health when in a certain year his out of pocket expenses were $3335. More than someone in good health whose out of pocket expenses were $6667.