The average height of 5 boys was 1.22 m. One of the boys, whose height was 1.5 m, left the group. What was the average height of the remaining boys?
|
5 boys |
4 boys |
Number |
5 |
4 |
Value |
1.22 |
? |
Total value |
6.1 |
4.6 |
Total height of 5 boys
= 5 x 1.22
= 6.1 m
Total height of the 4 remaining boys
= 6.1 - 1.5
= 4.6 m
Average height of the 4 remaining boys
= 4.6 ÷ 4
= 1.15 m
Answer(s): 1.15 m