Question
Xuan spent $21 on a cup, a bowl and 2 glasses. Each glass cost $3 less than a cup and each bowl cost $3 more than a cup. Find the cost of a dozen glasses.
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Xuan spent $21 on a cup, a bowl and 2 glasses. Each glass cost $3 less than a cup and each bowl cost $3 more than a cup. Find the cost of a dozen glasses.