Question

FAN AND MEDAL

Variable y varies directly with variable x, and y = 9 when x = 5.

What is the constant of variation in decimal form?

Answer 1

If it varies directly, then there exists some constant c such that:
y = c*x

Answer 2

you have the y and x value, just solve for c

Answer 3

so then 9/5=C?

Answer 4

yes, but the question want c in decimal form

Answer 5

c=1.8

Answer 6

i have to go now so thank you for helping me :)

Answer 7

That's correct!
No problem ;)