The average height of 3 girls was 1.12 m. One of the girls, whose height was 1.3 m, left the group. What was the average height of the remaining girls?
|
3 girls |
2 girls |
Number |
3 |
2 |
Value |
1.12 |
? |
Total value |
3.36 |
2.06 |
Total height of 3 girls
= 3 x 1.12
= 3.36 m
Total height of the 2 remaining girls
= 3.36 - 1.3
= 2.06 m
Average height of the 2 remaining girls
= 2.06 ÷ 2
= 1.03 m
Answer(s): 1.03 m