The average height of 4 girls was 1.13 m. One of the girls, whose height was 1.4 m, left the group. What was the average height of the remaining girls?
|
4 girls |
3 girls |
Number |
4 |
3 |
Value |
1.13 |
? |
Total value |
4.52 |
3.12 |
Total height of 4 girls
= 4 x 1.13
= 4.52 m
Total height of the 3 remaining girls
= 4.52 - 1.4
= 3.12 m
Average height of the 3 remaining girls
= 3.12 ÷ 3
= 1.04 m
Answer(s): 1.04 m