The average height of 6 girls was 1.25 m. One of the girls, whose height was 1.3 m, left the group. What was the average height of the remaining girls?
|
6 girls |
5 girls |
Number |
6 |
5 |
Value |
1.25 |
? |
Total value |
7.5 |
6.2 |
Total height of 6 girls
= 6 x 1.25
= 7.5 m
Total height of the 5 remaining girls
= 7.5 - 1.3
= 6.2 m
Average height of the 5 remaining girls
= 6.2 ÷ 5
= 1.24 m
Answer(s): 1.24 m