The length of a rectangle is 2 inches less than three times its width, and its perimeter is 36 inches. find the width of the rectangle.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.

Martha is training for a duathlon, which includes biking and running. she knows that yesterday she covered a total distance of over 55.5 miles in more than than 4.5 hours of training. martha runs at a speed of 6 mph and bikes at a rate of 15.5 mph.