The average height of four students is 126 cm. If the average height of three students is 120 cm, find the height of the fourth student.
|
4 students |
3 students |
Number |
4 |
3 |
Value |
126 |
120 |
Total value |
504 |
360 |
Total height of the 4 students
= 4 x 126
= 504 cm
Total height of the 3 students
= 3 x 120
= 360 cm
Height of the fourth student
= 504 - 360
= 144 cm
Answer(s): 144 cm