document.write( "Question 847423: Jim runs 6 kilometers in 50 minutes. At the same rate, how many kilometers would he run in 35 minutes? \n" ); document.write( "
Algebra.Com's Answer #510413 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! let x = number of km ran in 35 min\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(# of km)/(# of min) = (# of km)/(# of min)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(6 km)/(50 min) = (x km)/(35 min)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "6/50 = x/35\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "6*35 = 50*x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "210 = 50x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "50x = 210\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 210/50\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 21/5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The answer as a fraction is 21/5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Use a calculator to get 21/5 = 4.2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The answer as a decimal is 4.2 kilometers. \n" ); document.write( " |