The average height of 5 girls was 1.54 m. One of the girls, whose height was 1.1 m, left the group. What was the average height of the remaining girls?
|
5 girls |
4 girls |
Number |
5 |
4 |
Value |
1.54 |
? |
Total value |
7.7 |
6.6 |
Total height of 5 girls
= 5 x 1.54
= 7.7 m
Total height of the 4 remaining girls
= 7.7 - 1.1
= 6.6 m
Average height of the 4 remaining girls
= 6.6 ÷ 4
= 1.65 m
Answer(s): 1.65 m