Question

y varies inversely as twice x. When x = 2, y = 3. Find y when x = 6.

Answer 1

y = k/(2x)
Put the values of x and ya and solve for K
(3) = k/(2(2))
3 = k/4
k = 12
Write the equation again
y = 12/(2x)
Put x = 6
y = 12/(2(6))
y=12/12
y=1