The average height of 3 girls was 1.14 m. One of the girls, whose height was 1.4 m, left the group. What was the average height of the remaining girls?
|
3 girls |
2 girls |
Number |
3 |
2 |
Value |
1.14 |
? |
Total value |
3.42 |
2.02 |
Total height of 3 girls
= 3 x 1.14
= 3.42 m
Total height of the 2 remaining girls
= 3.42 - 1.4
= 2.02 m
Average height of the 2 remaining girls
= 2.02 ÷ 2
= 1.01 m
Answer(s): 1.01 m