x = 2 when y = 12 in the proportion x/6 = k/y. Find x when y = 8.
since
x/6 = k/y
xy = 6k, a constant
So, you want y such that
2*12 = x*8
You don't really have to know what k is.
x/6 = k/y
xy = 6k, a constant
So, you want y such that
2*12 = x*8
You don't really have to know what k is.