samanthamason13 samanthamason13

26-04-2017
Mathematics

contestada

Suppose y varies directly as x. If y = 7 when x = 28, what is the value of x when y = 3?
a.
7
b.
9
c.
12
d.
16

Respuesta :

bizzarf bizzarf

26-04-2017

The answer is C: 12.
It appears that Y will always be 1/4 of X, seeing as Y varies directly with X. When Y is 3, X will be four times that, or 12. :)

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