y varies directly with x. when x = 4, y = 24. Find the equation and y when x = 2.

Answer 1

Hey! Lets solve this shall we ?

So, the equation for y varies directly with x is

y = kx;

Then we must find k first such that k = y/x = 24/4 = 6 from the given values after we divide x to both sides. Now we must find y when x = 2 such that the equation is

y = 6x and

y = 6(2) = 12

I hope this helped!