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You can put this solution on YOUR website!
d is dimes. q is quarters.
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document.write( "d+q=86.
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document.write( ".1d +.25q = 14.60
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document.write( "Use the first equation to find d in terms of q.
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document.write( "d+q = 86
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document.write( "Subtract q from both sides.
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document.write( "d=86-q
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document.write( "Substitute that d value into the second equation.
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document.write( ".1(86-q) + .25q = 14.6
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document.write( "Multiply .1 by both terms in the ().
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document.write( "8.6 - .1q +.25q = 14.6
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document.write( "Combine the q's, subtract 8.6 from both sides.
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document.write( ".15q = 6
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document.write( "Divide both sides by .15
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document.write( "q=40
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document.write( "d = 86 - q = 86 - 40 = 46\r
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