The average height of 7 pupils was 1.46 m. One of the pupils, whose height was 1.4 m, left the group. What was the average height of the remaining pupils?
|
7 pupils |
6 pupils |
Number |
7 |
6 |
Value |
1.46 |
? |
Total value |
10.22 |
8.82 |
Total height of 7 pupils
= 7 x 1.46
= 10.22 m
Total height of the 6 remaining pupils
= 10.22 - 1.4
= 8.82 m
Average height of the 6 remaining pupils
= 8.82 ÷ 6
= 1.47 m
Answer(s): 1.47 m