Solved

Solve the Problem $42 \mathrm { hr }$ B) $\frac { 1 } { 13 } \mathrm { hr }$

Question 66

Multiple Choice

Solve the problem.
-Frank can type a report in 6 hours. James takes 7 hours to type it. How long will it take the two of them typing together?

A) $42 \mathrm { hr }$
B) $\frac { 1 } { 13 } \mathrm { hr }$
C) $\frac { 1 } { 42 } \mathrm { hr }$
D) $\frac { 42 } { 13 } \mathrm { hr }$

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