The average height of six students is 123 cm. If the average height of five students is 117 cm, find the height of the sixth student.
| |
6 students |
5 students |
| Number |
6 |
5 |
| Value |
123 |
117 |
| Total value |
738 |
585 |
Total height of the 6 students
= 6 x 123
= 738 cm
Total height of the 5 students
= 5 x 117
= 585 cm
Height of the sixth student
= 738 - 585
= 153 cm
Answer(s): 153 cm
