Answer:
2.42
Step-by-step explanation:
Answer:
vsfyvsy stop! me off do is ask if em is everything ok well if the if the if the yr
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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