The average height of 4 students was 1.38 m. One of the students, whose height was 1.2 m, left the group. What was the average height of the remaining students?
|
4 students |
3 students |
Number |
4 |
3 |
Value |
1.38 |
? |
Total value |
5.52 |
4.32 |
Total height of 4 students
= 4 x 1.38
= 5.52 m
Total height of the 3 remaining students
= 5.52 - 1.2
= 4.32 m
Average height of the 3 remaining students
= 4.32 ÷ 3
= 1.44 m
Answer(s): 1.44 m