Question

What is the value for the variable in the following diagram?

Answer 1

z/9 = 2/6 and away you go

Answer 2

would that be 3? @douglaswinslowcooper

Answer 3

proof?

Answer 4

what? @nincompoop

Answer 5

you need a proof that whatever solution you were given is the correct way to approach this problem

Answer 6

yes, sure! if you could.

Answer 7

the person that gave you the hint should do it, I'd like to know how he came up with it.