Answer:
The sum of the age of pupils is 81
Step-by-step explanation:
Let sum of age of 18pupils = x
Average ages = 4.5
Average = total/no. of pupil
4.5 = x/18
x = 81
Answer:
the answer is 3×3×5×5×17=3825 use prime factorization
(2•7)-5
14-5= 9
So the answer is 9
Answer:
The 1st the 3rd and 4th are the answers
Step-by-step explanation:
Edgen
Exact form : 4/13
decimal form : .0.307692