The average height of four students is 122 cm. If the average height of three students is 127 cm, find the height of the fourth student.
|
4 students |
3 students |
Number |
4 |
3 |
Value |
122 |
127 |
Total value |
488 |
381 |
Total height of the 4 students
= 4 x 122
= 488 cm
Total height of the 3 students
= 3 x 127
= 381 cm
Height of the fourth student
= 488 - 381
= 107 cm
Answer(s): 107 cm