Working together at their respective constant rates, Machine A and Machine B can produce 1,200 units in 8 hours. Working

[BTGmoderatorDC]

Working together at their respective constant rates, Machine A and Machine B can produce 1,200 units in 8 hours. Working alone, Machine B would complete that same output in 50% more time. If Machine A were to work on its own for an 8-hour shift, what percent of the 1,200 unit total would it produce?

A. 25
B. 33
C. 50
D. 67
E. 75


OA B

Source: Veritas Prep