document.write( "Question 1151277: When the two-digit number 5n is rounded to the nearest tens, it is equal 50. What is the largest value of n? \n" ); document.write( "
Algebra.Com's Answer #772957 by ikleyn(52782)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "\r\n" ); document.write( "According to the condition, 5n is integer number multiple of 5.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "50 rounded to the nearest tens is 50.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "55 rounded to the nearest tens is 60.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Therefore, the ANSWER to the problem's question is n= 10.\r\n" ); document.write( "\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " Notice that in my solution above I assumed that \"n\" is integer.\r \n" ); document.write( "\n" ); document.write( " Another solution is possible, if this assumption is not valid.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "Then 5n is two-digit number NOT NECESSARY multiple of 5.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "To be rounded to 50, it must be <= 54.\r\n" ); document.write( "\r\n" ); document.write( "Then the largest \"n\" is n =\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |