Question

The mean weight of 5 students in a group is 47kgs. the inducidual weight of four students of them is 44kg, 48kg, 49kg and 47kg. Find the wight of the fifth student​

Answer 1

Step-by-step explanation:

$47 = \frac{44 + 48 + 49 + 47 + x}{5} \\ 235 = 148 + x \\ x = 87$