Question

y= 1/6 put in 5/x+10/y=80​

Answer 1

y = 1/6

5/x + 10/1/6 = 80

5/x + 10 * 6/1 = 80

5/x + 60 = 80

5/x = 80 - 60

5/x = 20

20 x = 5

x = 5/20

x = 1/4

x = 0.25

Answer 2

given 5/X+10/y=80

substituting y=1/6 we get

5/x+10×6=80

5/X+60=80

5/X=20

x=5/20

x=1/4

x=0.25