document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1033103>Question 1033103</A>: <I><SPAN STYLE=\"word-break: break-all;\"> It costs $480.00 to rent an apartment on the Gold Coast for a weekend<BR>\n" );
document.write( "Last year it cost $400.00.<BR>\n" );
document.write( "What method below shows how you would calculate the % increase?\r<BR>\n" );
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document.write( "A. (480-400)÷480×100%<BR>\n" );
document.write( "B. (400-480)÷480×100%<BR>\n" );
document.write( "C. (480-400)÷400×100%<BR>\n" );
document.write( "D. (400-480)÷480×100%\r<BR>\n" );
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document.write( "Because more people are visiting the Gold Coast,the rental price for next year is predicted to increase by 10%. How much will Shirley have to pay next year to rent an apartment for a weekend? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #647694 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=647694\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the percent increase is the (new price minus the old price) divided by the old price.\r<BR>\n" );
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document.write( "(480 - 400) / 400 = 80 / 400 = .2 * 100 = 20%.\r<BR>\n" );
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document.write( "since it's 480 this year, then 480 + .10 * 480 = 480 + 48 = 528.\r<BR>\n" );
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document.write( "it's the same deal (new price minus old price) divided by old price.\r<BR>\n" );
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document.write( "the old price is now 480.\r<BR>\n" );
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document.write( "the new price is 528.\r<BR>\n" );
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document.write( "the percent increase is (528 - 480) / 480 = .1 * 100 = 10%.\r<BR>\n" );
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document.write( "you can also use the same formula to determine the percent increase.\r<BR>\n" );
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document.write( "(x - 480) / 480 = .10\r<BR>\n" );
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document.write( "simplify to get x/480 - 480/480 = .10\r<BR>\n" );
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document.write( "simplify further to get x/480 - 1 = .10\r<BR>\n" );
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document.write( "add 1 to both sides of the equation to get x/480 = 1.10\r<BR>\n" );
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document.write( "multiply both sides by 480 to get x = 1.10 * 480 = 528.\r<BR>\n" );
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document.write( "the solutions to your problem are:\r<BR>\n" );
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document.write( "selection C.\r<BR>\n" );
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document.write( "shirley will have to pay 528 next year to rent an apartment for a weekend.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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