Trick question it grew exactly 2 cm since we don't know the value of d there can't be an outcome
n + n - 0.18n
We can rewrite it as
2n - 0.18n
And if we solve it
(2 - 0.18)n = 1.82n
So the equivalente expression is B.
The equation is at the top, the steps are in between, and the answer is at the bottom
hope this helps