Question

y varies inversely as three times x. when x=4, y=2. find x when y=8

Answer 1

y(3x)=k

x1=4, y1=2 x2=? y2=8

2(3*4)=k
2(12)=k
24=k

y(3x)=k
8(3x)=24
24x=24
x2=1

(I hope this is correct =D )

Answer 2

Correct !

Answer 3

Okay :)