Question
The ratio of Amelia's stickers to Avery's stickers at first was 3 : 7. After Amelia gave Avery 45 stickers, the ratio of Amelia's stickers to Avery's stickers is 1 : 4. What was the number of stickers they had in all?
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The ratio of Amelia's stickers to Avery's stickers at first was 3 : 7. After Amelia gave Avery 45 stickers, the ratio of Amelia's stickers to Avery's stickers is 1 : 4. What was the number of stickers they had in all?