The average height of 3 pupils was 1.12 m. One of the pupils, whose height was 1.1 m, left the group. What was the average height of the remaining pupils?
|
3 pupils |
2 pupils |
Number |
3 |
2 |
Value |
1.12 |
? |
Total value |
3.36 |
2.26 |
Total height of 3 pupils
= 3 x 1.12
= 3.36 m
Total height of the 2 remaining pupils
= 3.36 - 1.1
= 2.26 m
Average height of the 2 remaining pupils
= 2.26 ÷ 2
= 1.13 m
Answer(s): 1.13 m