If 5 machines can produce 20 units in 10 hours, how long would it take 10 machines to produce 100 units?
Choose the correct choice from the following choices:	A) 25	B) 30	C) 35	D) 24	E) 96

Rationale: "5 machines would produce 100 units in 50 hours . increasing the amount of machines by 2 would mean dividing 50 hours by 2 . 50 / 2 = 25 answer : a"
Answer: A