Answer:
I think it is 174
Step-by-step explanation:
Answer:
umnim not sure if will be back for that one
Answer:
16.5 year
Step-by-step explanation:
Using, mean = sum/no. *of observations
Here,
=> 16.2 = (sum of ages of boys)/18
=> 16.2 x 18 = sum of ages of boys
=> 291.6 = sum of ages of boys
Similarly, sum of ages of girls = 27 x 16.7 = 450.9
Mean(total) = (sumof agesof boys + girls)/45
Mean = (291.6 + 450.9)/45 = 16.5
Answer: 720 mph or 12 miles a minute
Step-by-step explanation:
Answer:
Step-by-step explanation:
13-3 = 10
10/5 = 2
2 x 6 = 12
