If 8 machines make 8 items in 5 minutes, how many minutes do 50 machines need to make 50 items?
Answer and explanation
Correct answer: B.
- Step 1: Each machine makes one item in 5 minutes. Step 2. So 50 machines make 50 items in 5 minutes. **Answer: . Why not the others:** is what you get if you assume more machines make it slower. is what you get if you scale the time by the number of items. is what you get if you double the time.
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