document.write( "Question 504730: Peter can walk 1 mile in 10 minutes. He can ride a bike 1 mile in 2 minutes. if it takes Peter 60 minutes to walk to, and ride a bike back from his Uncle's house, how many miles did he travel? \n" ); document.write( "
Algebra.Com's Answer #339745 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
Peter can walk 1 mile in 10 minutes.
\n" ); document.write( "He can ride a bike 1 mile in 2 minutes.
\n" ); document.write( " if it takes Peter 60 minutes to walk to, and ride a bike back from his Uncle's house, how many miles did he travel?
\n" ); document.write( ":
\n" ); document.write( "Change 1 mi in 10 min to .1 mi/min
\n" ); document.write( "Change 1 mi in 2 min to .5 mi/min\r
\n" ); document.write( "\n" ); document.write( ":
\n" ); document.write( "let d = the one-way distance to Uncle's house
\n" ); document.write( ":
\n" ); document.write( "Write time equation, time = dist/speed
\n" ); document.write( ":
\n" ); document.write( "walk time + ride time = 60 min
\n" ); document.write( "\"d%2F.1\" + \"d%2F.5\" = 60
\n" ); document.write( "divide the decimals in the denominator into 1 in numerator and you have
\n" ); document.write( "10d + 2d = 60
\n" ); document.write( "12d = 60
\n" ); document.write( "d = \"60%2F12\"
\n" ); document.write( "d = 5 miles one-way or 10 mi round trip
\n" ); document.write( ";
\n" ); document.write( ":
\n" ); document.write( "confirm this
\n" ); document.write( "\"5%2F.1\" + \"5%2F.5\" =
\n" ); document.write( "50 + 10 = 60 min
\n" ); document.write( "
\n" );