document.write( "Question 882663: A girl travels from home down a 3km street at a speed of 4km/h. She travels quicker returning home, with her round-trip time being 1 hour and 15 minutes. What was her speed returning home? \n" ); document.write( "
Algebra.Com's Answer #532986 by josmiceli(19441)\"\" \"About 
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Her time going from home down the street is:
\n" ); document.write( "\"+t+=+3%2F4+\" hr
\n" ); document.write( "The round-trip time is :
\n" ); document.write( "\"+1+%2B+1%2F4+=+5%2F4+\" hr
\n" ); document.write( "-------------------------
\n" ); document.write( "So, her time returning home is:
\n" ); document.write( "\"+5%2F4+-+3%2F4+=+1%2F2+\" hr
\n" ); document.write( "----------------------------
\n" ); document.write( "Returning home:
\n" ); document.write( "\"+3+=+s%2A%281%2F2%29+\"
\n" ); document.write( "\"+s+=+3%2F%281%2F2%29+\"
\n" ); document.write( "\"+s+=+6+\"
\n" ); document.write( "Her speed returning home is 6 km/hr\r
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