Question

Given that y varies directly with x, what is the equation of direct variation if y is 16 and x is 20?


y=0.6x

y=4/5 x

y=1 1/5 x

y=5/4 x

Answer 1

$\frac{Y}{X} = \frac{16}{20} =\ \textgreater \ Y= \frac{16X}{20} = \frac{4X}{5}$