document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=75331>Question 75331</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am suppose to write an equation for the following, but I am not sure I am doing it right\r<BR>\n" );
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document.write( "Rboert buys 6 tomato plants at a certain price, he needs $1.00 more than he needs to buy 7 plants at $0.20 less per plant. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #54049 by </B><A HREF=/tutors/aboutme.mpl?userid=ptaylor><B>ptaylor(2198)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ptaylor><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=ptaylor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=54049\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "Lets start by dealing in pennies, that will make life a little easier. (1) It gets rid of the decimals and (2) It reduces the chance of getting pennies and dollars confused.\r<BR>\n" );
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document.write( "Let x=price he paid for each of the 6 plants<BR>\n" );
document.write( "Then 6x=cost of all six plants<BR>\n" );
document.write( "And x-20 is the cost of each of the 7 plants\r<BR>\n" );
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document.write( "Now we are told that he needs 100 (pennies) more (when he buys the 6 plants) (that would be 6x+100) than he needs to buy 7 plants at 20 cents less per plant (that would be 7(x-20). so our equation to solve is:\r<BR>\n" );
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document.write( "6x+100=7(x-20)  get rid of parens--------------this is the equation<BR>\n" );
document.write( "6x+100=7x-140 subtract 7x and also 100 from both sides<BR>\n" );
document.write( "6x-7x+100-100=7x-7x-140-100  collect like terms\r<BR>\n" );
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document.write( "-x=-240  multiply both sides by -1<BR>\n" );
document.write( "x=240 pennies or <BR>\n" );
document.write( "x=$2.40 per plant for the 6 plants\r<BR>\n" );
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document.write( "x-20=240-20=220 or<BR>\n" );
document.write( "x-20=$2.20 cost per plant of the 7 plants\r<BR>\n" );
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document.write( "CK<BR>\n" );
document.write( "6*240+100=7*220<BR>\n" );
document.write( "1440+100=1540<BR>\n" );
document.write( "1540=1540\r<BR>\n" );
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document.write( "Hope this helps--------------------ptaylor\r<BR>\n" );
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document.write( " </SPAN>\n" );
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