470,015 views
41 votes
41 votes
Someone help me please​

Someone help me please​-example-1
User MohammadBaqer
by
3.1k points

2 Answers

25 votes
25 votes

Answer:

20

Explanation:

20 should be the answer I guess

User Mark Martinsson
by
2.9k points
20 votes
20 votes

Answer:

4.95

Explanation:

1/(1/9+1/11)

User SleepyBoBos
by
2.9k points