Question

Please help yall

if x varies directly as y, and x=16 when y=4, find x when y=10

Answer 1

16 is four times 4, so maybe it's f(y) = 4 y?
x = 4 y
x = 4(4)
x=16

x = 4 y
x= 4(10)
x = 40 ?

Answer 2

yes that is it thanks for the help!!