Gilda drove 650miles at an average speed of 50 miles per hour. how many miles per hour faster would she have had to drive in order for the trip to have 1 hour less?

The scale for a map is 20 miles = 1/2 inch. the distance between two towns on the map is 3 3/4 inches. what is the actual distance between these towns? 150 miles 38 miles 75 miles 135 miles

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?

Solve x+3y=6 and 4x-6y=6 by elimination . show work !