The average height of 5 girls was 1.52 m. One of the girls, whose height was 1.4 m, left the group. What was the average height of the remaining girls?
|
5 girls |
4 girls |
Number |
5 |
4 |
Value |
1.52 |
? |
Total value |
7.6 |
6.2 |
Total height of 5 girls
= 5 x 1.52
= 7.6 m
Total height of the 4 remaining girls
= 7.6 - 1.4
= 6.2 m
Average height of the 4 remaining girls
= 6.2 ÷ 4
= 1.55 m
Answer(s): 1.55 m