Multiple Choice
Choose the one alternative that best completes the statement or answers the question.
Solve the problem.
-Frank can type a report in 7 hr. James can type it in 6 hr . How long will it take the two of them working together?
A) 42 hr
B) hr
C) 3 hr
D) hr
Correct Answer:

Verified
Correct Answer:
Verified
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