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25 kg of alloy X is mixed with 125 kg of alloy Y

25 kg of alloy X is mixed with 125 kg of alloy Y. If the amount of lead and tin in the alloy X is in the ratio 1:2 and the amount of lead and tin in the alloy Y is in the ratio 2:3, then what is the ratio of lead to tin in the mixture?

- 1:2
- 2:3
- 3:5
- 7:11