A dairy farm’s cows produce 60 gallons of milk in 2 hours. The farm owner wants production to be at least 3 quarts per minute. Based on the farmer’s wishes, what step should take place, and why?
Answer
A
None, because the cows already produce 3 quarts per minute.
B
None, because the cows produce more than the farmer wishes, at 6 quarts per minute.
C
The farmer needs to increase production, since the current rate is 2.5 quarts per minute.
D
The farmer needs to increase production, since the current rate is 1 quart per minute.
E
The farmer needs to increase production, since the current rate is 2 quarts per minute.
Explanation
There are 4 quarts in a gallon, so 60 gallons equals 240 quarts. Over 2 hours, or 120 minutes, the cows produce 240 ÷ 120 = 2 quarts per minute. Since 2 quarts per minute is less than the desired 3, the farmer needs to increase production; the current rate is 2 quarts per minute.
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