Use a proportion to solve the problem.
-A quality-control inspector examined 190 calculators and found 11 of them to be defective. At this rate, how many defective calculators will there be in a batch of 15,960 calculators?
A) 8 calculators
B) 2090 calculators
C) 84 calculators
D) 924 calculators

Question

Quizplus · Accepted Answer

The proportion of defective calculators is 11/190. To find the number of defective calculators in a batch of 15,960, set up the proportion 11/190 = x/15960 and solve for x. This gives x = (11 * 15960) / 190 = 924.

Use a Proportion to Solve the Problem