The average height of five students is 123 cm. If the average height of four students is 130 cm, find the height of the fifth student.
| |
5 students |
4 students |
| Number |
5 |
4 |
| Value |
123 |
130 |
| Total value |
615 |
520 |
Total height of the 5 students
= 5 x 123
= 615 cm
Total height of the 4 students
= 4 x 130
= 520 cm
Height of the fifth student
= 615 - 520
= 95 cm
Answer(s): 95 cm
