Answer:
but its right
Step-by-step explanation:
Answer:
26 years
Step-by-step explanation:
Given:
The mean age of 9 women = 27 years old
The mean age of 7 men = 25 years old
Question asked:
What is the mean age (nearest year) of all the people in the office?
solution:
By using, mean = sum of observations divided by number of entities
The mean age of 9 women = 27 years old
= 

The mean age of 7 men = 25 years old
= 

Total sum of ages of men and women in the office = 243 + 175
= 418 years
Total number of people in the office = 9 women + 7 men = 16
The mean age of all the people in the office = Total sum of ages of men and women in the office divided by Total number of people in the office
= 
Therefore, the mean age (nearest year) of all the people in the office = 26 years
Answer:
3
Step-by-step explanation:
hope this helps with the problem
Answer:
A=60 and B=120
Step-by-step explanation:
divide them into three parts- two parts+one half
180/3=60 60x2=120 60x1=60
there is 60 seconds in 1 min so if you do 60x9 you should get 540
glad to help!