The average height of 4 girls was 1.19 m. One of the girls, whose height was 1.1 m, left the group. What was the average height of the remaining girls?
|
4 girls |
3 girls |
Number |
4 |
3 |
Value |
1.19 |
? |
Total value |
4.76 |
3.66 |
Total height of 4 girls
= 4 x 1.19
= 4.76 m
Total height of the 3 remaining girls
= 4.76 - 1.1
= 3.66 m
Average height of the 3 remaining girls
= 3.66 ÷ 3
= 1.22 m
Answer(s): 1.22 m