Question
The ratio of Jack's stickers to Ava's stickers at first was 3 : 7. After Jack gave Ava 80 stickers, the ratio of Jack's stickers to Ava's stickers is 1 : 4. What was the number of stickers they had altogether?
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The ratio of Jack's stickers to Ava's stickers at first was 3 : 7. After Jack gave Ava 80 stickers, the ratio of Jack's stickers to Ava's stickers is 1 : 4. What was the number of stickers they had altogether?