Question
20% of Cathy's allowance is equal to 2012% of Riordan's allowance. If Riordan's allowance is $20 less than Cathy's, find their combined allowances.
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20% of Cathy's allowance is equal to 2012% of Riordan's allowance. If Riordan's allowance is $20 less than Cathy's, find their combined allowances.