document.write( "Question 490747: I am having trouble with word problems: The question I have is: Divide 72 into three parts so that the first part is 3 less than the second part and the third part is 1/2 of the second part. I have no idea how to set up the formula and solve it.
\n" ); document.write( "Thank you,
\n" ); document.write( "Cindy
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Algebra.Com's Answer #334277 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "let the first part be \"x\",the second part is \"y\", and the third part is \"z\"\r
\n" ); document.write( "\n" ); document.write( "given:\r
\n" ); document.write( "\n" ); document.write( "the first part is \"3\" less than the second part\r
\n" ); document.write( "\n" ); document.write( "\"x%2B3=y\"\r
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\n" ); document.write( "\n" ); document.write( "the third part is \"1%2F2\" of the second part\r
\n" ); document.write( "\n" ); document.write( "\"z=y%2F2\"...or \"z=%28x%2B3%29%2F2\"\r
\n" ); document.write( "\n" ); document.write( "\"x%2By%2Bz=72\"\r
\n" ); document.write( "\n" ); document.write( "\"x%2B%28x%2B3%29%2B%28x%2B3%29%2F2=72\".....solve for \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"2x%2B3%2Bx%2F2%2B3%2F2=72\"\r
\n" ); document.write( "\n" ); document.write( "\"2.5x%2B4.5=72\"\r
\n" ); document.write( "\n" ); document.write( "\"2.5x=72-4.5\"\r
\n" ); document.write( "\n" ); document.write( "\"2.5x=67.5\"\r
\n" ); document.write( "\n" ); document.write( "\"x=67.5%2F2.5\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28x=27%29\"...the first part\r
\n" ); document.write( "\n" ); document.write( "now find the second part\r
\n" ); document.write( "\n" ); document.write( "\"y=x%2B3\"\r
\n" ); document.write( "\n" ); document.write( "\"y=27%2B3\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28y=30%29\"\r
\n" ); document.write( "\n" ); document.write( "and the third part\r
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\n" ); document.write( "\n" ); document.write( "\"z=%28x%2B3%29%2F2\"\r
\n" ); document.write( "\n" ); document.write( "\"z=%2827%2B3%29%2F2\"\r
\n" ); document.write( "\n" ); document.write( "\"z=30%2F2\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28z=15%29\"\r
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\n" ); document.write( "\n" ); document.write( "check:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x%2By%2Bz=72\"\r
\n" ); document.write( "\n" ); document.write( "\"27%2B30%2B15=72\"\r
\n" ); document.write( "\n" ); document.write( "\"57%2B15=72\"\r
\n" ); document.write( "\n" ); document.write( "\"72=72\"\r
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