The average height of 4 boys was 1.34 m. One of the boys, whose height was 1.4 m, left the group. What was the average height of the remaining boys?
|
4 boys |
3 boys |
Number |
4 |
3 |
Value |
1.34 |
? |
Total value |
5.36 |
3.96 |
Total height of 4 boys
= 4 x 1.34
= 5.36 m
Total height of the 3 remaining boys
= 5.36 - 1.4
= 3.96 m
Average height of the 3 remaining boys
= 3.96 ÷ 3
= 1.32 m
Answer(s): 1.32 m