document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=935903>Question 935903</A>: <I><SPAN STYLE=\"word-break: break-all;\"> My watch is set to show the correct time at 12 noon on Wednesday. It gains 4 minutes every 3 hours.<BR>\n" );
document.write( "a. What time does the watch show when the correct time is 12 noon on Friday, assuming the watch has not been reset again?<BR>\n" );
document.write( "b. The watch is reset again to show the correct time at 12 noon on Friday. What is the correct time when the watch is showing 19:40 on Friday night? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #569557 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=569557\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> My watch is set to show the correct time at 12 noon on Wednesday.<BR>\n" );
document.write( " It gains 4 minutes every 3 hours.<BR>\n" );
document.write( "a. What time does the watch show when the correct time is 12 noon on Friday, assuming the watch has not been reset again?<BR>\n" );
document.write( "From 12 noon Wednesday to 12 noon Friday, it's 48 hrs<BR>\n" );
document.write( "It gains 4 min every three hrs, therefore<BR>\n" );
document.write( "4 * <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=48%2F3 ALIGN=MIDDLE  ALT=\"48%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 64 min which is 1 hr 4 min<BR>\n" );
document.write( "It will show 01:04 Pm<BR>\n" );
document.write( ":<BR>\n" );
document.write( "b. The watch is reset again to show the correct time at 12 noon on Friday.<BR>\n" );
document.write( " What is the correct time when the watch is showing 19:40 on Friday night?<BR>\n" );
document.write( "Find the relationship between the correct elapsed time to the watch time<BR>\n" );
document.write( "3 hrs 4 min to 3 hrs<BR>\n" );
document.write( "184/180 = 1.022\r<BR>\n" );
document.write( "\n" );
document.write( "convert 7 hr 40 min to min: 7*60 + 40 = 460 min<BR>\n" );
document.write( "let t = the correct elapsed time in minutes<BR>\n" );
document.write( "1.0222t = 460<BR>\n" );
document.write( "t = 460/ 1.222<BR>\n" );
document.write( "t = 450 min<BR>\n" );
document.write( "convert to hrs and min 450 min = 7 hrs 30 min,<BR>\n" );
document.write( "Correct time 19:30, when the watch says 19:40 <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );