Mathematics
Medium
Question
P and Q can complete a work in 15 days and 10 days respectively. They started the work together and then Q left after 2 days. P alone completed the remaining work. The work was finished in__________days.
A
12
✓ Official correct answer
B
15
C
22
D
20
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
12
No member explanations yet for this option.
B
15
No member explanations yet for this option.
C
22
No member explanations yet for this option.
D
20
No member explanations yet for this option.