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Mathematics, 06.11.2020 04:20 vero5047

Alex and Freddy collect stamps. The number of stamps in Alex’s collection is in ratio 3:5 to the number of stamps in Freddy’s collection. If Freddy gives Alex 10 stamps, the ratio will change to 7:9. How many stamps are in both collections together?

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Alex and Freddy collect stamps. The number of stamps in Alex’s collection is in ratio 3:5 to the num...

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