The average height of 7 boys was 1.52 m. One of the boys, whose height was 1.4 m, left the group. What was the average height of the remaining boys?
|
7 boys |
6 boys |
Number |
7 |
6 |
Value |
1.52 |
? |
Total value |
10.64 |
9.24 |
Total height of 7 boys
= 7 x 1.52
= 10.64 m
Total height of the 6 remaining boys
= 10.64 - 1.4
= 9.24 m
Average height of the 6 remaining boys
= 9.24 ÷ 6
= 1.54 m
Answer(s): 1.54 m