The average height of 4 pupils was 1.33 m. One of the pupils, whose height was 1.3 m, left the group. What was the average height of the remaining pupils?
|
4 pupils |
3 pupils |
Number |
4 |
3 |
Value |
1.33 |
? |
Total value |
5.32 |
4.02 |
Total height of 4 pupils
= 4 x 1.33
= 5.32 m
Total height of the 3 remaining pupils
= 5.32 - 1.3
= 4.02 m
Average height of the 3 remaining pupils
= 4.02 ÷ 3
= 1.34 m
Answer(s): 1.34 m