The average height of five students is 122 cm. If the average height of four students is 128 cm, find the height of the fifth student.
|
5 students |
4 students |
Number |
5 |
4 |
Value |
122 |
128 |
Total value |
610 |
512 |
Total height of the 5 students
= 5 x 122
= 610 cm
Total height of the 4 students
= 4 x 128
= 512 cm
Height of the fifth student
= 610 - 512
= 98 cm
Answer(s): 98 cm