The average height of 4 boys was 1.03 m. One of the boys, whose height was 1.3 m, left the group. What was the average height of the remaining boys?
| |
4 boys |
3 boys |
| Number |
4 |
3 |
| Value |
1.03 |
? |
| Total value |
4.12 |
2.82 |
Total height of 4 boys
= 4 x 1.03
= 4.12 m
Total height of the 3 remaining boys
= 4.12 - 1.3
= 2.82 m
Average height of the 3 remaining boys
= 2.82 ÷ 3
= 0.94 m
Answer(s): 0.94 m
