document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=711623>Question 711623</A>: <I><SPAN STYLE=\"word-break: break-all;\"> laura borrowed $240 ,interest free, from her parents to pay for her college eduction.if she pays back 2 1/2 percent of this amount quarterly,and has already pais $42 ,for how many mounths has she been paying back her loan?<BR>\n" );
document.write( "a) 6<BR>\n" );
document.write( "b) 7<BR>\n" );
document.write( "c) 19<BR>\n" );
document.write( "d) 21<BR>\n" );
document.write( "e) 24 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #437488 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=437488\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "given:\r<BR>\n" );
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document.write( "she pays back <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%281%2F2%29=2.5 ALIGN=MIDDLE  ALT=\"2%281%2F2%29=2.5\"   DISABLED_style= \"max-width:90%; height:auto;\" > percent which is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2.5%2F100=0.025 ALIGN=MIDDLE  ALT=\"2.5%2F100=0.025\"   DISABLED_style= \"max-width:90%; height:auto;\" > of the amount of $<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=240 ALIGN=MIDDLE  ALT=\"240\"   DISABLED_style= \"max-width:90%; height:auto;\" > quarterly (every three months) and has already paid $<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=42 ALIGN=MIDDLE  ALT=\"42\"   DISABLED_style= \"max-width:90%; height:auto;\" >, then we have\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=240%2A0.025%2At=42 ALIGN=MIDDLE  ALT=\"240%2A0.025%2At=42\"   DISABLED_style= \"max-width:90%; height:auto;\" >...<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t ALIGN=MIDDLE  ALT=\"t\"   DISABLED_style= \"max-width:90%; height:auto;\" > is number of quarters \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6%2At=42 ALIGN=MIDDLE  ALT=\"6%2At=42\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=42%2F6 ALIGN=MIDDLE  ALT=\"t=42%2F6\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=7 ALIGN=MIDDLE  ALT=\"t=7\"   DISABLED_style= \"max-width:90%; height:auto;\" >.....she has been paying back her loan for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7 ALIGN=MIDDLE  ALT=\"7\"   DISABLED_style= \"max-width:90%; height:auto;\" > quarters which is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7%2A3=21 ALIGN=MIDDLE  ALT=\"7%2A3=21\"   DISABLED_style= \"max-width:90%; height:auto;\" > months\r<BR>\n" );
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document.write( "so, answer is d) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=21 ALIGN=MIDDLE  ALT=\"21\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "or, you can do it this way:\r<BR>\n" );
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document.write( "if <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2.5%2F100=0.025 ALIGN=MIDDLE  ALT=\"2.5%2F100=0.025\"   DISABLED_style= \"max-width:90%; height:auto;\" > quarterly, she pays <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.025%2F3=0.00833 ALIGN=MIDDLE  ALT=\"0.025%2F3=0.00833\"   DISABLED_style= \"max-width:90%; height:auto;\" > interest monthly\r<BR>\n" );
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document.write( "then <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=240%2A0.00833%2At%5Bm%5D=42 ALIGN=MIDDLE  ALT=\"240%2A0.00833%2At%5Bm%5D=42\"   DISABLED_style= \"max-width:90%; height:auto;\" >.....<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5Bm%5D ALIGN=MIDDLE  ALT=\"t%5Bm%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > is number of months\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2At%5Bm%5D=42 ALIGN=MIDDLE  ALT=\"2%2At%5Bm%5D=42\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5Bm%5D=42%2F2 ALIGN=MIDDLE  ALT=\"t%5Bm%5D=42%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5Bm%5D=21 ALIGN=MIDDLE  ALT=\"t%5Bm%5D=21\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );