The average height of 6 boys was 1.35 m. One of the boys, whose height was 1.1 m, left the group. What was the average height of the remaining boys?
|
6 boys |
5 boys |
Number |
6 |
5 |
Value |
1.35 |
? |
Total value |
8.1 |
7 |
Total height of 6 boys
= 6 x 1.35
= 8.1 m
Total height of the 5 remaining boys
= 8.1 - 1.1
= 7 m
Average height of the 5 remaining boys
= 7 ÷ 5
= 1.4 m
Answer(s): 1.4 m