Question

Amrita 1 metre Hai hands on a wall student stands a distance to metre away from the mirror what is the height of the position of the opposite wall in the classroom that can be seen by the student in the mirror without changing the position of his head the wall is 4 metres from the mirror ​

Answer 1

solve (17-3y)/5_(4y+2)/3=5_6y+(7y+14)/3