The widget factory is pulling items from each batch to test them for quality control. Twenty-four items are pulled randomly from each batch regardless of the size of the batch. A manager records the percentage and the size of the batch in a log. Which of these could be recorded in the log?

25% of 96
20% of 120
12% of 220
6% of 400
15% of 160
9% of 260

Question

The widget factory is pulling items from each batch to test them for quality control. Twenty-four items are pulled randomly from each batch regardless of the size of the batch. A manager records the percentage and the size of the batch in a log. Which of these could be recorded in the log?

   25% of 96
   20% of 120
   12% of 220
   6% of 400
   15% of 160
   9% of 260

anonymous · Answer

Convert the percentages and then multiply each by the size of each batch and see if you get 24.

0.25 * 96 = 24 (ANSWER)
0.20 * 120 = 24 (ANSWER)
0.12 * 220 = 26.4
0.06 * 400 = 24 (ANSWER)
0.15 * 160 = 24 (ANSWER)
0.09 * 260 = 23.4

So the answer is the 1st, 2nd, 4th, and 5th ones.

anonymous · Answer

kk thanks