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)\"\" \"About 
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\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
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\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
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\n" ); document.write( "\n" ); document.write( "The total rations used is given by:\r
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\n" ); document.write( "\n" ); document.write( "This is an arithmetic sequence where the first term is , the common difference is , there are terms (zero start), and the last term is .\r
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\n" ); document.write( "\n" ); document.write( "Applying the formula for the sum of an arithmetic series:\r
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\n" ); document.write( "\n" ); document.write( "Set this equal to the known total rations:\r
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\n" ); document.write( "\n" ); document.write( "And solve the quadratic for the smaller root\r
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\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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