The average height of four students is 129 cm. If the average height of three students is 136 cm, find the height of the fourth student.
|
4 students |
3 students |
Number |
4 |
3 |
Value |
129 |
136 |
Total value |
516 |
408 |
Total height of the 4 students
= 4 x 129
= 516 cm
Total height of the 3 students
= 3 x 136
= 408 cm
Height of the fourth student
= 516 - 408
= 108 cm
Answer(s): 108 cm