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)![]() ![]() 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( " \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 = \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( " \n" ); document.write( "50 + 10 = 60 min \n" ); document.write( " |