In how many days could they complete the work together?
A
24 days
B
25 days
C
30 days
D
35 days
Correct Option:
C
Explanation
The Math: Thomas's rate = 1/80. After 10 days he completes 1/8, leaving 7/8. Ajay completes 7/8 in 42 days, so alone he takes 48 days. Together they finish in 30 days.
