7.6k views
4 votes
One person can do a certain job in fifteen minutes, and another person can do the same job in thirty minutes. How many minutes will it take them to do the job together?

5 min
10 min
20 min

User Shayna
by
7.2k points

2 Answers

2 votes
10 min

1/15
1/30

1/15+1/30 = 3/30 = 1/10
User Digy
by
7.3k points
6 votes
it will take 10 minutes babe


User Zichzheng
by
7.2k points