If y varies directly as x and y and y= 48 when x = 16 write the variation equation for this situation?

Question

anonymous · Answer

y varies directly as x and y ?

96mertcank96 · Answer

yes

anonymous · Answer

not sure what that means?  i know y can vary directly with x, but what does it mean "y varies directly with x and y" ?

that would mean y = kxy

96mertcank96 · Answer

oh no do the normal equation

anonymous · Answer

oh ok if y varies directly with x then

$$y = kx$$

let x = 16
let y = 48
solve for k

96mertcank96 · Answer

is it 48=k16?

anonymous · Answer

right, that is how you will solve for k.  what answer do you get for k ?

96mertcank96 · Answer

3
 but in the question it doesnt ask for k and i did write 48=k16 and got it wrong

anonymous · Answer

well we didn't answer the question yet.  we can't answer the question without knowing what k is

since we solve for k = 3 then we know
y = kx

y = 3x

96mertcank96 · Answer

now i see the problem... thank you!