Question

The average marks obtained by 7 students in a group is 226. If the marks obtained by six

of them are 340, 180, 260, 56, 275 and 307 respectively. Find the marks obtained by the 7th

student.

Please give answer fast
It's urgent​

Answer 1

let marks of 7th be x

226 = 340+180+260+56+275+307+x/7

x=164