The average height of five pupils is 126 cm. If the average height of four pupils is 119 cm, find the height of the fifth pupil.
|
5 pupils |
4 pupils |
Number |
5 |
4 |
Value |
126 |
119 |
Total value |
630 |
476 |
Total height of the 5 pupils
= 5 x 126
= 630 cm
Total height of the 4 pupils
= 4 x 119
= 476 cm
Height of the fifth pupil
= 630 - 476
= 154 cm
Answer(s): 154 cm