Solve the problem.
-A quality- control inspector examined 300 calculators and found 12 of them to be defective. At this rate, how many defective calculators will there be in a batch of 24,300 calculators?
A) 3600
B) 7
C) 972
D) 81

Question

Quizplus · Accepted Answer

The rate of defective calculators is 12 out of 300. To find the number of defective calculators in a batch of 24,300, use the proportion 12/300 = x/24300, solving for x gives x = (12*24300)/300 = 972.

Solve the Problem. -A Quality- Control Inspector Examined 300 Calculators and Found 12