document.write( "Question 303074: I have two questions.
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document.write( "1. Model A takes 2hrs to build at a cost of $25
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document.write( "2. Model B takes 3 hrs to build at a cost of $ 35
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document.write( "As a buisness owner I only have 34 hours and $350 for these two modles how many of each models can be made in a day?
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Algebra.Com's Answer #217222 by stanbon(75887) ![]() You can put this solution on YOUR website! I have two questions. \n" ); document.write( "1. Model A takes 2hrs to build at a cost of $25 \n" ); document.write( "2. Model B takes 3 hrs to build at a cost of $ 35 \n" ); document.write( "As a business owner I only have 34 hours and $350 for these two models how many of each model can be made in a day? \n" ); document.write( "------- \n" ); document.write( "Equations: \n" ); document.write( "Hours Equation: 2A + 3B = 34 hours \n" ); document.write( "Cost Equation: 25A +35B = 350 dollars \n" ); document.write( "---------------------------------------------- \n" ); document.write( "Multiply the 1st equation by 25 \n" ); document.write( "Multiply the 2nd equation by 2 \n" ); document.write( "--------------------------------------------- \n" ); document.write( "50A + 75B = 850 \n" ); document.write( "50A + 70B = 700 \n" ); document.write( "------ \n" ); document.write( "Substract the 2nd from the 1st equation and solve for \"B\": \n" ); document.write( "5B = 850-700 \n" ); document.write( "5B = 150 \n" ); document.write( "B = 30 (# of B houses to build) \n" ); document.write( "---- \n" ); document.write( "Comment: Something is wrong with your data. \n" ); document.write( "30 of the B houses would cost 30*35 = #1050 \n" ); document.write( "and you only have 350 dollars available. \n" ); document.write( "=============================================== \n" ); document.write( "Check your Data \n" ); document.write( "================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----- \n" ); document.write( "Substitute into 2A + 3B = 34 to solve for \"A: \n" ); document.write( "2A + 3*30 = 34 \n" ); document.write( " \n" ); document.write( " |