Question
The ratio of Lucy's beads to Liam's beads at first was 3 : 7. After Lucy gave Liam 18 beads, the ratio of Lucy's beads to Liam's beads is 1 : 3. What was the number of beads they had altogether?
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The ratio of Lucy's beads to Liam's beads at first was 3 : 7. After Lucy gave Liam 18 beads, the ratio of Lucy's beads to Liam's beads is 1 : 3. What was the number of beads they had altogether?