3 years ago

In a nursery class of 18 pupils, the average is

Mathematics

2 answers:

melamori03 [73]3 years ago

8 0

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

dimaraw [331]3 years ago

6 0

Answer:

The sum of the age of pupils is 81

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