44. In a school of 40 girls, the height of
20 girls is 4 feet 6 inch and the
height of remaining girls ia 5 let
Find the average height of all the
girls.
(A) 4ft.9 inch
(B) 4ft.7inch
(C) 5 ft.
(D) 4ft.8 inch
Answers
Answered by
3
4.6*20=92
20*5=100
192/40
4ft.8inch
Answered by
2
Answer:
4.8 feet is the average height
Step-by-step explanation:
No. of girls in a school : 40
Height of 20 girls : 4.6 feet
Height of the remaining girls : 5 feet
Therefore,
The average height : ( 9.6/ 2 )feet = 4.8 feet
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