document.write( "Question 65110: The average of two four digit positive integers is found by placing a demimal point between the two numbers. Find the sum of the two four digit numbers. \n" ); document.write( "
Algebra.Com's Answer #45639 by venugopalramana(3286)![]() ![]() You can put this solution on YOUR website! The average of two four digit positive integers is found by placing a demimal point between the two numbers. Find the sum of the two four digit numbers. \n" ); document.write( "LET THE 2 NUMBERS BE \n" ); document.write( "I NUMBER IS....ABCD..ITS VALUE IS = D+ 10C+100B+1000A =M SAY \n" ); document.write( "II NUMBER IS ..PQRS ...ITS VALUE IS = S+10R+100Q+1000P = N SAY \n" ); document.write( "SUM OF 2 NUMBERS = (D+S)+10(C+R)+100(B+Q)+1000(A+P)=M+N \n" ); document.write( "THEIR AVERAGE AS GIVEN = ABCD.PQRS...ITS VALUE IS \n" ); document.write( " = D+ 10C+100B+1000A+P/10 + Q/100 + R/1000 + S/10000 = M+N/10000 \n" ); document.write( " = (M+N)/2 \n" ); document.write( "HENCE \n" ); document.write( "2M+2N/10000-M-N=0 \n" ); document.write( "M-N+N/5000=0 \n" ); document.write( "M = N[1-1/5000]=4999N/5000 \n" ); document.write( "SINCE M IS ANINTEGER \n" ); document.write( "N SHOULD BE A MULTIPLE OF 5000 = 5000*X \n" ); document.write( "SINCE M & N ARE 4 DIGIT NUMBERS ..THE ONLY POSSIBILITY IS X=1. \n" ); document.write( "HENCE THE 2 NUMBERS ARE \n" ); document.write( "5000 AND 4999 THEIR AVERAGE IS 4999.5000 WHICH IS OK \n" ); document.write( " \n" ); document.write( " |