document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1084590>Question 1084590</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Javier and Bobby are rolling the pennies in their penny jar. Javier can make 4 rolls in 10 minutes and Bobby can make 9 rolls in 15 minutes.<BR>\n" );
document.write( "(a) Working together, how long will it take them to roll $50 worth of pennies? (Penny rolls have 50¢ per roll.)<BR>\n" );
document.write( "76 problem solving in mathematics<BR>\n" );
document.write( "(b) If it takes them 31 hours to roll all of the pennies, how much 2<BR>\n" );
document.write( "money do they have? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #698687 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=698687\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Their rate together, in ROLLS per MINUTES:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2F10%2B9%2F15 ALIGN=MIDDLE  ALT=\"4%2F10%2B9%2F15\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12%2F30%2B18%2F30 ALIGN=MIDDLE  ALT=\"12%2F30%2B18%2F30\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2F30=1 ALIGN=MIDDLE  ALT=\"30%2F30=1\"   DISABLED_style= \"max-width:90%; height:auto;\" >---------- 1 roll per minute\r<BR>\n" );
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document.write( "You can answer (a) and (b).\r<BR>\n" );
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document.write( "Just (b) part-way only:\r<BR>\n" );
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document.write( "31 hours, how many rolls?  How much money?\r<BR>\n" );
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document.write( "x rolls<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%28roll%2Fminute%29%2A31%2Ahours%2A60%2A%28minutes%2Fhour%29=x ALIGN=MIDDLE  ALT=\"1%28roll%2Fminute%29%2A31%2Ahours%2A60%2A%28minutes%2Fhour%29=x\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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