document.write( "Question 1190223: a besieged fortress is held by 5700 men who have provisions for 66 days. of the garrison loses 20 men each day, for how many days will be provisions last? \n" ); document.write( "
Algebra.Com's Answer #821844 by Solver92311(821)![]() ![]() You can put this solution on YOUR website! \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If 5700 men have rations for 66 days, then there must be a total of 5700 times 66 or 376200 rations available.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "On the first day, 5700 rations are used, but on the second day, 20 less are used, and on the third day, 20 less than that.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The total rations used is given by:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "This is an arithmetic sequence where the first term is \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Applying the formula for the sum of an arithmetic series:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Set this equal to the known total rations:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "And solve the quadratic for the smaller root\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "John \n" ); document.write( " \n" ); document.write( "My calculator said it, I believe it, that settles it \n" ); document.write( " ![]() \n" ); document.write( "\n" ); document.write( "From \n" ); document.write( "I > Ø \n" ); document.write( " |