If 𝑥 % of 200 is equal to y% of 250, then what is the ratio 𝑦 : 𝑥 ?

5 : 4

4 : 5

2 : 3

1 : 1

Equating the two expressions and simplifying gives:

$x cdot 200 = y cdot 250 Rightarrow frac{y}{x} = frac{200}{250} = frac{4}{5} Rightarrow y : x = 4 : 5$

$\Rightarrow y = 200$ 250

=4/5

⇒y:x=4:5