The average height of 7 pupils was 1.26 m. One of the pupils, whose height was 1.2 m, left the group. What was the average height of the remaining pupils?
|
7 pupils |
6 pupils |
Number |
7 |
6 |
Value |
1.26 |
? |
Total value |
8.82 |
7.62 |
Total height of 7 pupils
= 7 x 1.26
= 8.82 m
Total height of the 6 remaining pupils
= 8.82 - 1.2
= 7.62 m
Average height of the 6 remaining pupils
= 7.62 ÷ 6
= 1.27 m
Answer(s): 1.27 m