document.write( "Question 815101: Jodi and her friend Marcos decided to meet at the park since it was exactly 1 mile from each other homes. Marcos walked to the park at a constant rate of 4 miles per hour. Jodi walked the first half-mile at a rate of 5 miles per hours and the second half-mile at the rate of 3 miles per hour. Both of the friends were quite surprised when they arrived at the park at exactly the same time! What was Jodi’s average speed walking to the park and which of the friends left home first? \n" ); document.write( "
Algebra.Com's Answer #490901 by richwmiller(17219)\"\" \"About 
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r*t=d
\n" ); document.write( "4*x=1
\n" ); document.write( "x=1/4
\n" ); document.write( "Marcos took 1/4 hour
\n" ); document.write( "5x=1/2
\n" ); document.write( "x=1/10
\n" ); document.write( "3y=1/2
\n" ); document.write( "y=1/6
\n" ); document.write( "5x=3y\r
\n" ); document.write( "\n" ); document.write( "5*1/10=1/2
\n" ); document.write( "3*1/6=1/2
\n" ); document.write( "1/10+1/6=t
\n" ); document.write( "3/30+5/30=t
\n" ); document.write( "8/30=t
\n" ); document.write( "16/60=16 minutes\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "jodi left home a minute earlier than marcos
\n" ); document.write( "her average was
\n" ); document.write( "1/4/15
\n" ); document.write( "15/4
\n" ); document.write( "3.75 mph
\n" ); document.write( " \n" ); document.write( "
\n" );