document.write( "Question 13196: Problem solving extending charts!\r
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document.write( "1. Find the number of full 8 hr. shifts that Maria worked last month
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document.write( " (1) She worked twice as many 6 hr. shifts as 8 hr. shifts.
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document.write( " (2) She worked a total of 280 hrs.\r
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document.write( "Then you make a chart One column is 6h shifts the other is 8 h shifts. The first row is Hrs. Per shift x Number of shifts = Total hrs. worked. \n" );
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Algebra.Com's Answer #6713 by bam878s(77)![]() ![]() ![]() You can put this solution on YOUR website! Let x=number of 8hr shifts and y=number of 6hr shifts. \n" ); document.write( "Note y=2x \n" ); document.write( "we have 8x+6y=280 \n" ); document.write( "sub for y \n" ); document.write( "8x+6(2x)=280 \n" ); document.write( "8x+12x=280 \n" ); document.write( "20x=280 \n" ); document.write( "divide both sides by 20 to get \n" ); document.write( "x=14 8hr shifts \n" ); document.write( "y=14*2=28 6hr shifts \n" ); document.write( " |