document.write( "Question 118038: I have a word problem and not sure how to set up the equation:\r
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document.write( "A furniture company needs to ship 96 sofas and 57 chairs
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document.write( "They have small trucks and large trucks
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document.write( "Each small truck is designed to hold 4 sofas and 3 chairs
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document.write( "Each large truck is designed to hold 12 sofas and 6 chairs
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document.write( "Let x represent the number of small trucks needed
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document.write( "Let y represent the number of large trucks needs.\r
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document.write( "Write the system of equatin that represents this situation then solve.\r
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document.write( "So far I have x=4a+3b
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document.write( " y=12a+6b\r
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document.write( "Am I even on the right track? I am the worst at word problems and this one seems to have me stumped. Any help is greatly appreciated.
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Algebra.Com's Answer #86099 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! I have a word problem and not sure how to set up the equation: \n" ); document.write( "A furniture company needs to ship 96 sofas and 57 chairs \n" ); document.write( "They have small trucks and large trucks \n" ); document.write( "Each small truck is designed to hold 4 sofas and 3 chairs \n" ); document.write( "Each large truck is designed to hold 12 sofas and 6 chairs \n" ); document.write( "Let x represent the number of small trucks needed \n" ); document.write( "Let y represent the number of large trucks needs. \n" ); document.write( "Write the system of equation that represents this situation then solve. \n" ); document.write( ": \n" ); document.write( "Sofa equation \n" ); document.write( "4x + 12y = 96 \n" ); document.write( ": \n" ); document.write( "Chair equation \n" ); document.write( "3x + 6y = 57 \n" ); document.write( ": \n" ); document.write( "Solve by elimination: Multiply the chair equation by 2, subtract sofa equation \n" ); document.write( "6x + 12y = 114 \n" ); document.write( "4x + 12y = 96 \n" ); document.write( "---------------subtracting eliminates y, solve for x \n" ); document.write( "2x + 0y = 18 \n" ); document.write( "x = 18/2 \n" ); document.write( "x = 9 small trucks \n" ); document.write( ": \n" ); document.write( "Find y \n" ); document.write( "using sofa equation, substitute 9 for x \n" ); document.write( "4(9) + 12y = 96 \n" ); document.write( "36 + 12y = 96 \n" ); document.write( "12y = 96 - 36 \n" ); document.write( "12y = 60 \n" ); document.write( "y = 60/12 \n" ); document.write( "y = 5 large trucks \n" ); document.write( ": \n" ); document.write( "Check solutions in the chair equation: \n" ); document.write( "3(9) + 6(5) = \n" ); document.write( "27 + 30 = 57 as required \n" ); document.write( ": \n" ); document.write( "Hope this helped & Merry Christmas!!\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( ": \n" ); document.write( " |