Question
The ratio of Harris's beads to Andrew's beads at first was 2 : 5. After Harris gave Andrew 30 beads, the ratio of Harris's beads to Andrew's beads is 1 : 4. What was the number of beads they had in total?
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The ratio of Harris's beads to Andrew's beads at first was 2 : 5. After Harris gave Andrew 30 beads, the ratio of Harris's beads to Andrew's beads is 1 : 4. What was the number of beads they had in total?