document.write( "Question 1197607: Joseph traveled from Boston to Framingham at 50 mph and then back to Boston at 40 mph. what was Joseph's average speed on the round trip
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Algebra.Com's Answer #830936 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi  \r\n" );
document.write( "D = rt  0r t = D/r\r\n" );
document.write( "Let D represent the distance one-way\r\n" );
document.write( "Time it takes to go to and from is the same ...\r\n" );
document.write( "whether it be at varying speeds or at the average speed.\r\n" );
document.write( "  Divide Thru by D\r\n" );
document.write( "Let A be the average speed:\r\n" );
document.write( "  1/50 + 1/40 = 2/A\r\n" );
document.write( "     90/2000= 2/A\r\n" );
document.write( "          A = 2*(2000/90) = 44.4 mph rounded\r\n" );
document.write( "Wish You the Best in your Studies.\r\n" );
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