Let the two numbers be 'x' & 'y'
Now, as per the question
y = 4x ............(1)
Also, x+y = 85......(2)
Using the value of y from (1) in (2) we get
x + 4x = 85
or, 5x = 85
or, x = 17
Thus, y = 4x = 4*17 = 68
Hence the two numbers x & y are 17,68
Math