document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=155457>Question 155457</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two rainstorms occurred in one week in a certain area. The first storm lasted  15 hours, and the second storm lasted 25 hours, for a total 1250mL of rain. What was the rate of rainfall for each of the two storms if the sum of the two rates was 60mL  per hour? <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #114509 by </B><A HREF=/tutors/aboutme.mpl?userid=munisa><B>munisa(5)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=munisa><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=114509\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let the rate of rainfall for the 1st rain be x ml/hr and for the 2nd rain be y ml/hr.\r<BR>\n" );
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document.write( "Volume of rain during first storm=x*15<BR>\n" );
document.write( "Volume of rain during second storm=y*25\r<BR>\n" );
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document.write( "Total volume=1250ml<BR>\n" );
document.write( "1250 =15x + 25y\r<BR>\n" );
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document.write( "Sum of two rates=60<BR>\n" );
document.write( "x + y=60<BR>\n" );
document.write( "x    =60 - y\r<BR>\n" );
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document.write( "Substitute the value of x in the first equation:\r<BR>\n" );
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document.write( "1250=15(60-y) +25y<BR>\n" );
document.write( "1250=900-15y+25y<BR>\n" );
document.write( "350 =10y<BR>\n" );
document.write( "y =35<BR>\n" );
document.write( "x=60-35=25 </SPAN>\n" );
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