The average height of 3 pupils was 1.06 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 |
1.06 |
? |
Total value |
3.18 |
1.98 |
Total height of 3 pupils
= 3 x 1.06
= 3.18 m
Total height of the 2 remaining pupils
= 3.18 - 1.2
= 1.98 m
Average height of the 2 remaining pupils
= 1.98 ÷ 2
= 0.99 m
Answer(s): 0.99 m