The average height of six students is 121 cm. If the average height of five students is 128 cm, find the height of the sixth student.
|
6 students |
5 students |
Number |
6 |
5 |
Value |
121 |
128 |
Total value |
726 |
640 |
Total height of the 6 students
= 6 x 121
= 726 cm
Total height of the 5 students
= 5 x 128
= 640 cm
Height of the sixth student
= 726 - 640
= 86 cm
Answer(s): 86 cm