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Theresa has $26 in her wallet. The bills are worth either 5 or 1. If there are 14 bills total, How many does she have of each type

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sardarp1irc5
x+y=14        5x+y=26         y=26-5x          x+26-5x=14     26-4x=14       -4x=-12      (x=3)       (y=11)   Ones in the parentheses are your answers.

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