3 and 2/6 + 2 and 5/6

Find the solution of system of equation y= x-4 y=4x+2

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

In parallelogram abcd the ratio of ab to bcis 5: 3. if the perimeter of abcd is 32 find ab