document.write( "Question 892406: Isaac goes hiking every 9 days and swimming every 13 days. He did both kinds of exercise today. How many days from now will he next go both hiking and swimming again? \n" ); document.write( "
Algebra.Com's Answer #540474 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Isaac goes hiking every 9 days and swimming every 13 days. \n" ); document.write( " He did both kinds of exercise today. \n" ); document.write( " How many days from now will he next go both hiking and swimming again? \n" ); document.write( ": \n" ); document.write( "Find the least common multiple of 9 and 13, 13 is a prime number, therefore \n" ); document.write( "9*13 = 117 days \n" ); document.write( " |