The average height of 4 children was 1.38 m. One of the children, whose height was 1.5 m, left the group. What was the average height of the remaining children?
|
4 children |
3 children |
Number |
4 |
3 |
Value |
1.38 |
? |
Total value |
5.52 |
4.02 |
Total height of 4 children
= 4 x 1.38
= 5.52 m
Total height of the 3 remaining children
= 5.52 - 1.5
= 4.02 m
Average height of the 3 remaining children
= 4.02 ÷ 3
= 1.34 m
Answer(s): 1.34 m