Work Step by Step
$x+y=25$ $.05x+.1y=2.30$ $x+y=25$ $x=25-y$ $.05(25-y)+.1y=2.3$ $1.25-.05y+.1y=2.3$ $1.25+.05y = 2.3$ $.05y = 1.05$ $ y = 21$ $x+y=25$ $x+21 = 25$ $x=4$
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