geometry
posted by Erin .
the area of a trapezoid is 108 square inches and one of its bases has a length of 8 inches. If the height of the trapezoid is 1.5 feet,f ind the length of the other base in inches.

area= 1/2 (b1+b2)h
108=1/2 (8+b2)18
solve for b2 in inches.