25% of X = 45% of Y. Then X:Y is
2025
25% of X = 45% of Y. Then X:Y is
- A.
9:5
- B.
5:9
- C.
18:16
- D.
16:18
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Correct answer: A
Solution: Find the ratio x:y.
Convert percentages to fractions: 25% = 25/100 = 1/4 and 45% = 45/100 = 9/20.
Set up the equation from the given: (1/4)x = (9/20)y.
Solve for x/y: multiply both sides by 4 to get x = (9/5)y, so x/y = 9/5.
Therefore the ratio x:y = 9:5.