document.write( "Question 151415: A is eleven times as old as B. in a certain number of years, A will be five times as old as B, and in five years after that she will be three times as old as B. how old are they now. \n" ); document.write( "
Algebra.Com's Answer #111305 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A is eleven times as old as B. \n" ); document.write( "A = 11B \n" ); document.write( "------------- \n" ); document.write( "in a certain number of years, A will be five times as old as B \n" ); document.write( "A+x = 5(B+x) \n" ); document.write( "------------- \n" ); document.write( "and in five years after that she will be three times as old as B. \n" ); document.write( "A+x+5 = 3(B+x+5) \n" ); document.write( "----------------- \n" ); document.write( "how old are they now? \n" ); document.write( "------- \n" ); document.write( "Rearrange the three equations with variables A, B, and x \n" ); document.write( "A - 11B + 0x = 0 \n" ); document.write( "A - 5B -4x = 0 \n" ); document.write( "A -3B - 2x = 10 \n" ); document.write( "--------------- \n" ); document.write( "Solve the systems of three equations by any method to get: \n" ); document.write( "A = 22 \n" ); document.write( "B = 2 \n" ); document.write( "x = 3 \n" ); document.write( "----------- \n" ); document.write( "A is 22 yrs. old \n" ); document.write( "B is 2 yrs. old \n" ); document.write( "====================== \n" ); document.write( "Chers, \n" ); document.write( "Stan H.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |