The average height of 4 pupils was 1.53 m. One of the pupils, whose height was 1.5 m, left the group. What was the average height of the remaining pupils?
|
4 pupils |
3 pupils |
Number |
4 |
3 |
Value |
1.53 |
? |
Total value |
6.12 |
4.62 |
Total height of 4 pupils
= 4 x 1.53
= 6.12 m
Total height of the 3 remaining pupils
= 6.12 - 1.5
= 4.62 m
Average height of the 3 remaining pupils
= 4.62 ÷ 3
= 1.54 m
Answer(s): 1.54 m