Pam, juan, and eva took a 1,200 mile driving trip. pam drove 100 miles more than juan. juan drove 100 more miles than eva. how many miles did eva drive?

Jack has a rectangular piece of land, the area of which is represented by a1 = 9.5l. his brother has a different rectangular piece of land, the area of which is represented by a2 = l(14 − l). let a represent the area in square meters and l represent the length in meters of the pieces of land. the two equations plotted on a graph meet at a point as shown in the image