The average height of 3 boys was 1.04 m. One of the boys, whose height was 1.2 m, left the group. What was the average height of the remaining boys?
| |
3 boys |
2 boys |
| Number |
3 |
2 |
| Value |
1.04 |
? |
| Total value |
3.12 |
1.92 |
Total height of 3 boys
= 3 x 1.04
= 3.12 m
Total height of the 2 remaining boys
= 3.12 - 1.2
= 1.92 m
Average height of the 2 remaining boys
= 1.92 ÷ 2
= 0.96 m
Answer(s): 0.96 m
