The average height of 3 children was 1.06 m. One of the children, whose height was 1.4 m, left the group. What was the average height of the remaining children?
|
3 children |
2 children |
Number |
3 |
2 |
Value |
1.06 |
? |
Total value |
3.18 |
1.78 |
Total height of 3 children
= 3 x 1.06
= 3.18 m
Total height of the 2 remaining children
= 3.18 - 1.4
= 1.78 m
Average height of the 2 remaining children
= 1.78 ÷ 2
= 0.89 m
Answer(s): 0.89 m