document.write( "Question 153257: Could you please help me with some word problems my teacher has assigned? We were told these were not directly from a math book. \r
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document.write( "One number exceeds four times a second number by four. One third of the larger number exceeds one-half of the smaller by 8. Find both numbers. \r
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document.write( "I was thinking it was: x+4x+4 I just get so confused on these problems. Could you help me please?
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document.write( "THank you in advance.\r
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Algebra.Com's Answer #112800 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! One number exceeds four times a second number by four. One third of the larger number exceeds one-half of the smaller by 8. Find both numbers. \n" ); document.write( ": \n" ); document.write( "Let x = \"One number\" \n" ); document.write( "Let y = \"a second number \n" ); document.write( ": \n" ); document.write( "Write an equation for each statement: \n" ); document.write( "\"One number exceeds four times a second number by four.\" \n" ); document.write( " x = (4y+4) \n" ); document.write( ": \n" ); document.write( "\" One third of the larger number exceeds one-half of the smaller by 8.\" \n" ); document.write( " \n" ); document.write( "Get rid of those annoying denominators multiply equation by 6, results: \n" ); document.write( "2x = 3y + 6(8) \n" ); document.write( ": \n" ); document.write( "2x = 3y + 48 \n" ); document.write( ": \n" ); document.write( "Replace x with (4y+4) \n" ); document.write( "2(4y+4) = 3y + 48 \n" ); document.write( "8y + 8 = 3y + 48 \n" ); document.write( "8y - 3y = 48 - 8 \n" ); document.write( "5y = 40 \n" ); document.write( "y = \n" ); document.write( "y = 8 \n" ); document.write( "then \n" ); document.write( "x = 4(8) + 4 \n" ); document.write( "x = 32 + 4 \n" ); document.write( "x = 36 \n" ); document.write( ": \n" ); document.write( "The two numbers are: 36, 8\r \n" ); document.write( "\n" ); document.write( ": \n" ); document.write( "Check solutions in original equation: \n" ); document.write( " \n" ); document.write( "12 = 4 + 8 \n" ); document.write( " |