The average height of 7 pupils was 1.08 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 |
1.08 |
? |
Total value |
7.56 |
6.36 |
Total height of 7 pupils
= 7 x 1.08
= 7.56 m
Total height of the 6 remaining pupils
= 7.56 - 1.2
= 6.36 m
Average height of the 6 remaining pupils
= 6.36 ÷ 6
= 1.06 m
Answer(s): 1.06 m