The average height of 4 girls was 1.48 m. One of the girls, whose height was 1.3 m, left the group. What was the average height of the remaining girls?
|
4 girls |
3 girls |
Number |
4 |
3 |
Value |
1.48 |
? |
Total value |
5.92 |
4.62 |
Total height of 4 girls
= 4 x 1.48
= 5.92 m
Total height of the 3 remaining girls
= 5.92 - 1.3
= 4.62 m
Average height of the 3 remaining girls
= 4.62 ÷ 3
= 1.54 m
Answer(s): 1.54 m