Question
The ratio of Lucas's beads to Avery's beads at first was 3 : 7. After Lucas gave Avery 70 beads, the ratio of Lucas's beads to Avery's beads is 1 : 4. What was the number of beads they had in all?
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The ratio of Lucas's beads to Avery's beads at first was 3 : 7. After Lucas gave Avery 70 beads, the ratio of Lucas's beads to Avery's beads is 1 : 4. What was the number of beads they had in all?