Question
Layla and Rael shared a sum of money in the ratio 1 : 2. After Layla spent $90, the ratio became 2 : 7. How much money did Layla at first?
2 m

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Layla and Rael shared a sum of money in the ratio 1 : 2. After Layla spent $90, the ratio became 2 : 7. How much money did Layla at first?