document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=104094>Question 104094</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello out there,I need some help with some tough problems,the first one is,Mr.Adams buys a bag of apples and a bag of pears for a total of $14.00.There are eight pounds of fruit in all.The apples cost $1.50 per pound,and the pears cost $2.30 per pound.How many pounds of pears did he buy?The second one is,Which of the following points are solutions to:x+2y<-12 and 3x-y>-2 (-1,-5),(0,0),or(1,-7).The next one is,Solve the system of equations by substitution:y=x^2+2x-2 and y=3x+4.And the last one is,Use elimination to solve 6x-y/4=-9 and 3x+2y=-30.Thanks to whoever can help. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #75755 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=75755\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A) <BR>\n" );
document.write( "Let a=lbs of apples, p=lbs of pears<BR>\n" );
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document.write( "1.5a+2.3p=14<BR>\n" );
document.write( "a+p=8<BR>\n" );
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document.write( "a=8-p<BR>\n" );
document.write( "1.5(8-p)+2.3p=14<BR>\n" );
document.write( "12-1.5p+2.3p=14<BR>\n" );
document.write( ".8p=2<BR>\n" );
document.write( "p=2.5 lbs<BR>\n" );
document.write( "a=5.5 lbs<BR>\n" );
document.write( "Check:<BR>\n" );
document.write( "2.5*2.3+1.5*5.5=14<BR>\n" );
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document.write( "B)<BR>\n" );
document.write( "by substitution (1,-7) is the only correct answer.<BR>\n" );
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document.write( "C)<BR>\n" );
document.write( "x^2+2x-2=3x+4<BR>\n" );
document.write( "x^2-x-6=0<BR>\n" );
document.write( "(x-3)(x+2)=0<BR>\n" );
document.write( "x=3, x=-2<BR>\n" );
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document.write( "D)<BR>\n" );
document.write( "6x-y/4=-9<BR>\n" );
document.write( "3x+2y=-30<BR>\n" );
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document.write( "24x-y=-36<BR>\n" );
document.write( "3x+2y=-30<BR>\n" );
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document.write( "the rest is like the 1st problem.<BR>\n" );
document.write( "I'll leave that up to you.<BR>\n" );
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document.write( "Ed </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );