document.write( "Question 1144734: Several people want to split the tab. If each contributes $0.35, they lack $4.40. If each contributes $0.40, they have $4.40 extra. Find the number of people using algebra. \n" ); document.write( "
Algebra.Com's Answer #765912 by ikleyn(52788)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "Several people want to split the tab. If each contributes $0.35, they lack $4.40. \n" ); document.write( "If each contributes $0.40, they have $4.40 extra. Find the number of people. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " My task is to make an equation. I will do it right now. Watch my steps.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "Let X be the sum of money they need to collect.\r\n" ); document.write( "\r\n" ); document.write( "And let \"n\" be the number of people.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "According to the first scenario, 0.35*n + 4.40 = X dollars.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "According to the second scenario, 0.40*n - 4.40 = X dollars.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "It gives you an equation\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( " 0.35n + 4.40 = 0.40n - 4.40, or\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( " 4.40 + 4.40 = 0.40n - 0.35n,\r\n" ); document.write( "\r\n" ); document.write( " 8.80 = 0.05n\r\n" ); document.write( "\r\n" ); document.write( " n =\r \n" ); document.write( "\n" ); document.write( "Solved.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "--------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "To see other similar solved problem, look into the lesson\r \n" ); document.write( "\n" ); document.write( " - I do not have enough savings now \r \n" ); document.write( "\n" ); document.write( "in this site.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "/\/\/\/\/\/\/\/\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " Come again to this forum soon to learn something new (!)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "=============\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Added after reading the post by @richwmiller :\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( " I think that taking off the words \" . . . using algebra\" from the original text is better solution.\r\n" ); document.write( "\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |