Question

x and y vary inversely, and x = 1/5 when y = 5. What is the value of k?

Answer 1

x=k/y
put x=1/5 and y=5
k=1

Answer 2

Thank you! Could you help me on 2 two more please?

Answer 3

use the method I used for inverse proportion x=k/y for direct proportion use x=ky