The average height of 6 pupils was 1.45 m. One of the pupils, whose height was 1.4 m, left the group. What was the average height of the remaining pupils?
|
6 pupils |
5 pupils |
Number |
6 |
5 |
Value |
1.45 |
? |
Total value |
8.7 |
7.3 |
Total height of 6 pupils
= 6 x 1.45
= 8.7 m
Total height of the 5 remaining pupils
= 8.7 - 1.4
= 7.3 m
Average height of the 5 remaining pupils
= 7.3 ÷ 5
= 1.46 m
Answer(s): 1.46 m