The average height of 7 children was 1.12 m. One of the children, whose height was 1.3 m, left the group. What was the average height of the remaining children?
|
7 children |
6 children |
Number |
7 |
6 |
Value |
1.12 |
? |
Total value |
7.84 |
6.54 |
Total height of 7 children
= 7 x 1.12
= 7.84 m
Total height of the 6 remaining children
= 7.84 - 1.3
= 6.54 m
Average height of the 6 remaining children
= 6.54 ÷ 6
= 1.09 m
Answer(s): 1.09 m