document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1187529>Question 1187529</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello, I am currently doing work on some exponential and logarithmic problems.  I am stuck on a word problem and don't understand how to even begin.  Please help me solve the following problem:\r<BR>\n" );
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document.write( "A computer purchased for $750 loses 11% of its value every year.\r<BR>\n" );
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document.write( "The computer's value can be modeled by the function v(t)=a⋅b^t, where v is the dollar value and t the number of years since purchase.\r<BR>\n" );
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document.write( "A) In the exponential model a= ___ and b = ___\r<BR>\n" );
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document.write( "B) In how many years will the computer be worth half its original value? Round answer to 1 decimal place. The answer is ___ years\r<BR>\n" );
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document.write( "Thank you!\r<BR>\n" );
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document.write( "-Diana </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #818535 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52777)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=818535\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( "To see many other similar &nbsp;(and different) &nbsp;solved problems, &nbsp;look into the lesson\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=https://www.algebra.com/algebra/homework/logarithm/Problems-on-appreciated-depreciated-values.lesson>Problems on appreciated/depreciated values</A> \r<BR>\n" );
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document.write( "in this site.\r<BR>\n" );
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document.write( "Learn the subject from there.\r<BR>\n" );
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document.write( "By the way, &nbsp;at the end of this lesson, &nbsp;you will find the set of links to other lessons on typical logarithmic and exponential\r<BR>\n" );
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document.write( "word problems: &nbsp;population growth, &nbsp;radioactive decay, &nbsp;carbon dating, &nbsp;bacteria growth, &nbsp;medication decay etc.\r<BR>\n" );
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document.write( "It is a nice place to learn all these subjects in one package, &nbsp;presented in compact and clear form &nbsp;(&nbsp;!&nbsp;)\r<BR>\n" );
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document.write( " </SPAN>\n" );
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