Respuesta :

Your answer is going to be : 6 cause 6 x 3 = 18
apologiabiology
x varies directly to y means
x=ky
(and y varies directily to x means y=kx, so diffent)



x=3 and y=18
x=ky
3=k18
divide both sies by 18
1/6=k


the constant of variation is 1/6

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