The average height of 3 pupils was 1.16 m. One of the pupils, whose height was 1.2 m, left the group. What was the average height of the remaining pupils?
|
3 pupils |
2 pupils |
Number |
3 |
2 |
Value |
1.16 |
? |
Total value |
3.48 |
2.28 |
Total height of 3 pupils
= 3 x 1.16
= 3.48 m
Total height of the 2 remaining pupils
= 3.48 - 1.2
= 2.28 m
Average height of the 2 remaining pupils
= 2.28 ÷ 2
= 1.14 m
Answer(s): 1.14 m