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Mathematics, 27.08.2019 20:10 connormaxie

Jonathan and members of his spanish club are going to costa rica. he purchases 10 traveler's checks in denominations of $20, and $100, totaling $370. he has twice as many $20 checks as $50 checks. how many of each denomination does he have?

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Jonathan and members of his spanish club are going to costa rica. he purchases 10 traveler's checks...
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