document.write( "Question 295804: Please translate the problem into a pair of linear equations in two vaiables. Solve the equations using either elimination or substitution. State your answer for the specified variable.\r
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document.write( "A contractor mixes concrete from bags of pre-mix for small jobs. How many bags with 7% cement should he mix with 10 bags of 15.5% cement to produce a mix containing 12% cement? (Please help) Thanks!!\r
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Algebra.Com's Answer #213263 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! y=10 \n" ); document.write( "x+y=x+10 \n" ); document.write( "10*.155+.07x=.12*(x+10) \n" ); document.write( "x=7 bags of 7% \n" ); document.write( " \n" ); document.write( " |