document.write( "Question 1062756: a sum of rs 7700 is divided among three brothers zain ,zaid and zohaib in such a way that simple intrest on each part at 5% per annum after 1,2and 3 years respectively remains equal the share of zain is more than that of zohaib by
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document.write( "a) Rs 2,800 b)Rs 2500
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document.write( "c)Rs 3000 d)none of these \n" );
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Algebra.Com's Answer #677810 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! a sum of rs 7700 is divided among three brothers zain ,zaid and zohaib in such a way that simple intrest on each part at 5% per annum after 1,2and 3 years respectively remains equal \n" ); document.write( " the share of zain is more than that of zohaib by ?? \n" ); document.write( ": \n" ); document.write( "let's call these guy's shares a,b,c \n" ); document.write( "a + b + c = 7700 \n" ); document.write( ": \n" ); document.write( " \"simple intrest on each part at 5% per annum after 1,2and 3 years respectively remains equal\" \n" ); document.write( ".05a = 2(.05b) = 3(.05c) \n" ); document.write( ".05a = .10b = .15c \n" ); document.write( "Get rid of the decimal, multiply by 100 \n" ); document.write( "5a = 10b = 15c \n" ); document.write( "Find each in terms of a \n" ); document.write( "10b = 5a \n" ); document.write( "b = a/2 \n" ); document.write( "and \n" ); document.write( "15c = 5a \n" ); document.write( "c = a/3 \n" ); document.write( "therefore \n" ); document.write( "a + a/2 + a/3 = 7700 \n" ); document.write( "Get rid of the fractions, multiply by 6 \n" ); document.write( "6a + 3a + 2a = 46200 \n" ); document.write( "11a = 46200 \n" ); document.write( "a = 46200/11 \n" ); document.write( "a = 4200 \n" ); document.write( "\"the share of zain is more than that of zohaib by\" \n" ); document.write( "a - c = ?? \n" ); document.write( "Find c \n" ); document.write( "c = 4200/3 \n" ); document.write( "c = 1400 \n" ); document.write( "Therefore 4200 - 1400 = 2800 which is a \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |