document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1153018>Question 1153018</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A friend lends you $200 for a week, which you agree to repay with 5% one-time interest. How much will you have to repay (including the principal)? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #775154 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=775154\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font color=black size=3><BR>\n" );
document.write( "interest = 5% of 200 <BR>\n" );
document.write( "interest = (5/100)*200 <BR>\n" );
document.write( "interest = 0.05*200<BR>\n" );
document.write( "interest = 10 dollars\r<BR>\n" );
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document.write( "You have to repay $10 in interest on top of the $200 loaned to you. In total, you have to pay back 200+10 = 210 dollars.\r<BR>\n" );
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document.write( "A shortcut is to multiply 200 by 1.05 to get 200*1.05 = 210. The 1.05 multiplier represents <BR>\n" );
document.write( "100% + 5% = 1.00 + 0.05 = 1.05<BR>\n" );
document.write( "In other words, this represents a 5% increase.\r<BR>\n" );
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document.write( "<font color=red>Answer: 210 dollars</font><BR>\n" );
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