Mathematics
NULL
Medium
Question
Six identical machines produce 270 bottles per minute. At that rate, how many bottles can 10 such machines produce in 4 minutes?
A
2700
B
1080
C
450
D
1800
✓ Official correct answer
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A
2700
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B
1080
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C
450
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D
1800
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Explanation
One machine makes 45 bottles/min; ten make 450/min. In 4 minutes: 450 × 4 = 1800.