Answer: 288.17
Explanation:
y ∝ x
⇒ y = kx
substituting the given value of x and y , the equation becomes
12 = 14 k
therefore
k = 12/14
k = 6/7
The formula then becomes
y = 6/7 x
when y = 247, we have
247 = 6/7 x
6x = 247 x 7
6x = 1729
x = 1729/6
x = 288. 17