Question
Riordan and Andrew shared a sum of money in the ratio 1 : 3. After Riordan spent $45, the ratio became 2 : 9. How much money did Andrew have?
2 m

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Riordan and Andrew shared a sum of money in the ratio 1 : 3. After Riordan spent $45, the ratio became 2 : 9. How much money did Andrew have?