document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1200887>Question 1200887</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A pleasure boat on the Mississippi River traveled from Baton Rouge to New Orleans<BR>\n" );
document.write( "with a stop at White Castle. On the first part of the trip, the boat traveled at an average speed of 10 mph. From White Castle to New Orleans the average speed was 15 mph. The entire trip covered 100 miles. How long did the entire trip take if the two parts each took the same number of hours? </SPAN>\n" );
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document.write( "The times for the two parts of the trip were the same, so the ratio of distances for the two parts is the same as the ratio of speeds.<br><BR>\n" );
document.write( "The ratio of the speeds is 10:15 = 2:3, so 2/5 of the trip was at 10 mph and 3/5 was at 15 mph.  Since the total trip was 100 miles, the first part of the trip was 40 miles and the second part was 60 miles.<br><BR>\n" );
document.write( "The times for the two parts of the trip were 40/10 = 4 hours and 60/15 = 4 hours, so the total time for the trip was 8 hours.<br><BR>\n" );
document.write( "ANSWER: 8 hours<br><BR>\n" );
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