Solve the Problem $\frac { 1 } { 11 }$ Hours
B)

Multiple Choice

Solve the problem.
-Frank can type a report in 4 hours. James takes 7 hours to type it. How long will it take the two of them typing together?

A) $\frac { 1 } { 11 }$ hours
B) $2 \frac { 6 } { 11 }$ hours
C) $\frac { 1 } { 28 }$ hours
D) $9 \frac { 1 } { 3 }$ hours