If both labor and materials at plant X in Problem 65 are increased by 20%, find 1/2(1.2A + B), the new average cost of production for the two plants
Problem 65
A company with two different plants manufactures guitars and banjos. Its production costs for each instrument are given in the following matrices:

Find 1/2 (A+B), the average cost of production for the two plants.

Transcribed Image Text:

Plant X Plant Guitar Banjo [$56 $42 Guitar Banjo Materials $47 $39 Labor 1 $90 $125 ]-A 1$84 $115