A) 55/14 hours
B) 41/14 hours
C) 31/7 hours
D) 24/7 hours
Answer: D
Explanation: Add the two hourly work rates 1/A + 1/B and take the reciprocal.
Using the values in this question gives 24/7 hours as the correct answer.
A) 55/14 hours
B) 41/14 hours
C) 31/7 hours
D) 24/7 hours
Answer: D
Explanation: Add the two hourly work rates 1/A + 1/B and take the reciprocal.
Using the values in this question gives 24/7 hours as the correct answer.
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