Mathematics > Standard Multiple Choice
Read the following SAT test question and then click on a button to select your answer.
In a certain lawn-mower factory, 0.06 percent of all mowers produced are defective. On the average, there will be 3 defective mowers out of how many produced?
(A) 500
(B) 1800
(C) 5000
(D) 18000
(E) 50000
The Correct answer is C.
Explanation
Recall that 0.06 percent means 0.06 out of every 100, or 6 out of every 10,000. The question asks for an equivalent ratio: 3 out of how many. The ratio 6 out of 10,000can be reduced (by dividing both members by 2) to 3 out 5,000of .
