Question
The ratio of Mason's marbles to Noah's marbles at first was 2 : 5. After Mason gave Noah 87 marbles, the ratio of Mason's marbles to Noah's marbles is 1 : 4. What was the number of marbles they had altogether?
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The ratio of Mason's marbles to Noah's marbles at first was 2 : 5. After Mason gave Noah 87 marbles, the ratio of Mason's marbles to Noah's marbles is 1 : 4. What was the number of marbles they had altogether?