The average height of 25 boys is 1.4 m. When 5 boys leave the group, then the average height increased by 0.15 m. What is the average height of the 5 boys who leave ?

The average height of 25 boys is 1.4 m. When 5 boys leave the group, t

1.	The average height of 25 boys is 1.4 m. When 5 boys leave the group, then the average height increased by 0.15 m. What is the average height of the 5 boys who leave ?
A.	.8 m
B.	.9 m
C.	.95 m
D.	.05 m
Answer» B. .9 m

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The average height of 25 boys is 1.4 m. When 5 boys leave the group, then the average height increased by 0.15 m. What is the average height of the 5 boys who leave ?

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