The average height of 3 girls was 1.18 m. One of the girls, whose height was 1.3 m, left the group. What was the average height of the remaining girls?
| |
3 girls |
2 girls |
| Number |
3 |
2 |
| Value |
1.18 |
? |
| Total value |
3.54 |
2.24 |
Total height of 3 girls
= 3 x 1.18
= 3.54 m
Total height of the 2 remaining girls
= 3.54 - 1.3
= 2.24 m
Average height of the 2 remaining girls
= 2.24 ÷ 2
= 1.12 m
Answer(s): 1.12 m
