Save-way-more food store received  a delivery of 86 boxes of apples and bananas. Each box of apples had a mass of 32 Ib., and each box of bananas had a mass of 16 Ib. The total mass of the delivery was 1968 Ib. 

a.) Write a linear system to model this situation.

b.) How many boxes of each fruit were there? Graph, indicate your solution clearly and give the windows on your calculator.