At the same time, sam and fred who are 168 miles apart begin moving toward each other. find the number of hours before they meet if sam runs 12 mph and fred runs 9 mph.

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in