The average height of 6 boys was 1.45 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 |
1.45 |
? |
| Total value |
8.7 |
7.6 |
Total height of 6 boys
= 6 x 1.45
= 8.7 m
Total height of the 5 remaining boys
= 8.7 - 1.1
= 7.6 m
Average height of the 5 remaining boys
= 7.6 ÷ 5
= 1.52 m
Answer(s): 1.52 m
