document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=151818>Question 151818</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Wealey invested $6,500 in a mutual fund at a yearly rate of 3 3/4%. If he earned %975 in interest, how long has the money been invested?<BR>\n" );
document.write( "a. 2.5 years<BR>\n" );
document.write( "b. 3 years<BR>\n" );
document.write( "c. 4 years<BR>\n" );
document.write( "d. 4.5 years </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #112582 by </B><A HREF=/tutors/aboutme.mpl?userid=orca><B>orca(409)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=orca><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=112582\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Simple interest earned (I) can be found by the formula:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=I=Prt ALIGN=MIDDLE  ALT=\"I=Prt\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "where P is the principal, r is the annual interest rate,and t is the number of years that the principal will be invested.<BR>\n" );
document.write( "In this problem:<BR>\n" );
document.write( "P=6500<BR>\n" );
document.write( "r=3 3/4%=3.75%<BR>\n" );
document.write( "I=975<BR>\n" );
document.write( "Substituting into the formula, we have<BR>\n" );
document.write( "975 = 6500*3.75%t<BR>\n" );
document.write( "Solving the equation for t, we obtain:<BR>\n" );
document.write( "975 = 65*3.75*t<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+975%2F%2865%2A3.75%29 ALIGN=MIDDLE  ALT=\"t+=+975%2F%2865%2A3.75%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "t = 4<BR>\n" );
document.write( "So choose option C.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );