Afruit company delivers its fruit in two types of boxes: large and small. a delivery of
3
large boxes and
5
small boxes has a total weight of
90
kilograms. a delivery of
9
large boxes and
7
small boxes has a total weight of
216
kilograms. how much does each type of box weigh?

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