The average height of 4 girls was 1.58 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 |
1.58 |
? |
Total value |
6.32 |
5.22 |
Total height of 4 girls
= 4 x 1.58
= 6.32 m
Total height of the 3 remaining girls
= 6.32 - 1.1
= 5.22 m
Average height of the 3 remaining girls
= 5.22 ÷ 3
= 1.74 m
Answer(s): 1.74 m