The average height of 5 pupils was 1.52 m. One of the pupils, whose height was 1.4 m, left the group. What was the average height of the remaining pupils?
|
5 pupils |
4 pupils |
Number |
5 |
4 |
Value |
1.52 |
? |
Total value |
7.6 |
6.2 |
Total height of 5 pupils
= 5 x 1.52
= 7.6 m
Total height of the 4 remaining pupils
= 7.6 - 1.4
= 6.2 m
Average height of the 4 remaining pupils
= 6.2 ÷ 4
= 1.55 m
Answer(s): 1.55 m