Math, asked by salamseenath3, 28 days ago

The hight of students in a team are 135cm, 122cm,

143cm, 130cm and 125cm.
a)What is the average hight of a student in the team

Answers

Answered by ahmedome31

4

Answer:

Correct option is

D

115 cm

Total height of 10 students =10×105=1050cm

Total height of 20 students =20×120=2400cm

∴ total height of 30 students =1050+2400=3450

Hence average height of 30 students =

30

3450

=115cm

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