document.write( "Question 133296: a mam walks 15 blocks at a rate of 2 miles per hour . if there were 20 blocks in a mile, how long will it take him to walk \n" ); document.write( "
Algebra.Com's Answer #97519 by nycsharkman(136)![]() ![]() ![]() You can put this solution on YOUR website! A mam walks 15 blocks at a rate of 2 miles per hour. If there were 20 blocks in a mile, how long will it take him to walk?\r \n" ); document.write( "\n" ); document.write( "Use distance = rate (time) to find t.\r \n" ); document.write( "\n" ); document.write( "15 = 2(t)\r \n" ); document.write( "\n" ); document.write( "15/2 = t\r \n" ); document.write( "\n" ); document.write( "7.5 = t\r \n" ); document.write( "\n" ); document.write( "Set up a proportion:\r \n" ); document.write( "\n" ); document.write( "7.5/t = 15/20\r \n" ); document.write( "\n" ); document.write( "15x = 7.5 times 20\r \n" ); document.write( "\n" ); document.write( "15x = 150\r \n" ); document.write( "\n" ); document.write( "x = 150/15\r \n" ); document.write( "\n" ); document.write( "x = 10 minutes\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |