George takes 8 hours to copy a 50-page manuscript while Sonia can copy the same manuscript in 6 hours. How many hours would it take them to copy a 100-page manuscript, if they work together? `6 6/7` b. `9` c. `14` d. `\ 9 5/7`

Options

A. `6frac(6)(7)`
B. 9
C. `9frac(5)(7)`
D. 14

Answer

A