Answer: The answer is b Batches of more than 20 units should be run on machine B
Explanation:
Machine A = 10 + 2Q
Machine B = 30 + 1Q
Equate the two equation, we have
10 + 2Q = 30 + 1Q
Collect the like terms, we have
10 - 30 = 1Q -2Q
20 = Q
Therefore Q = 20
The correct answer is B