The average height of 7 boys was 1.48 m. One of the boys, whose height was 1.3 m, left the group. What was the average height of the remaining boys?
| |
7 boys |
6 boys |
| Number |
7 |
6 |
| Value |
1.48 |
? |
| Total value |
10.36 |
9.06 |
Total height of 7 boys
= 7 x 1.48
= 10.36 m
Total height of the 6 remaining boys
= 10.36 - 1.3
= 9.06 m
Average height of the 6 remaining boys
= 9.06 ÷ 6
= 1.51 m
Answer(s): 1.51 m
