Multiple Choice
A quality-control inspector examined 220 calculators and found 10 of them to be defective. At this rate, how many defective calculators will there be in a batch of 21,780 calculators?
A) 990 calculators
B) 2200 calculators
C) 99 calculators
D) 10 calculators
Correct Answer:

Verified
Correct Answer:
Verified
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