document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1203899>Question 1203899</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A mixture of sand and gravel are in two piles.  Ratio of sand to gravel is 1:3 in first pile, and 3:5 in second.  24 cu. yds. from first are mixed with 40 cu. yds. from second.  Determine cu. yds. of sand in resulting mixture.\r<BR>\n" );
document.write( "\n" );
document.write( "Unsure how to solve. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #839796 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13216)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=839796\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "The ratio of sand to gravel in the first pile is 1:3, which means 1/4 is sand and 3/4 is gravel.  24 cubic feet are taken from this pile; the amount of sand in those 24 cubic feet is 1/4 of 24 cubic feet, which is 6 cubic feet.<br><BR>\n" );
document.write( "The ratio of sand to gravel in the second pile is 3:5, which means 3/8 is sand and 5/8 is gravel.  40 cubic feet are taken from this pile; the amount of sand in those 40 cubic feet is 3/8 of 40 cubic feet, which is 15 cubic feet.<br><BR>\n" );
document.write( "ANSWER: The amount of sand in the mixture is 6+15 = 21 cubic feet.<br><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );