Margaret and Sam each drew a triangle with a base of length 1 cm. The height of Sam's triangle is one-fourth the height of Margaret's triangle. How many times greater is the area of Margaret's triangle than the area of Sam's triangle? A 2 B. 4 c. 6 6 D. 8 E. 16​

David and alton are training for a race. they spend 35 minutes stretching and then go on a 5 mile practice run. david runs at a pace of 7 min/mile. alton runs at a pace of 8 min/mile. write an equation for each runner that shows the total length of their workout. then solve each equation showing your work