The juice stall at the circus stocked just \(2\) brands of orange juice tetra packs. Brand \(A\) costs \(\$1\) per pack

The juice stall at the circus stocked just \(2\) brands of orange juice tetra packs. Brand \(A\) costs \(\$1\) per pack and brand \(B\) costs \(\$1.5\) per pack. Last week, brand \(A\) contributed to \(m\%\) of the stall’s revenue and accounted for \(n\%\) of sales of juice tetra packs. Which of the following expresses \(m\) in terms of \(n?\)

(A) \(\dfrac{100n}{150 - n}\)
(B) \(\dfrac{200n}{250-n}\)
(C) \(\dfrac{200n}{300-n}\)
(D) \(\dfrac{250n}{400-n}\)
(E) \(\dfrac{300n}{500-n}\)

Answer: C

Source: Princeton Review