document.write( "Question 776351: Peter said \"I am three times as old as my brother, but in 6 years time I will only be twice as old as him\". If Peter's brother's age now is x years, how old is Peter in terms of x ? How old will they be in 6 years time? write down an equation and solve it to find there ages now. \n" ); document.write( "
Algebra.Com's Answer #473524 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Peter said \"I am three times as old as my brother, but in 6 years time I will only be twice as old as him\". If Peter's brother's age now is b years, how old is Peter in terms of b ? How old will they be in 6 years time? \n" ); document.write( "------ \n" ); document.write( "Equations: \n" ); document.write( "p = 3b \n" ); document.write( "p+6 = 2(b+6) \n" ); document.write( "---- \n" ); document.write( "Substitute for \"p\" and solve for \"b\": \n" ); document.write( "3b+6 = 2b + 12 \n" ); document.write( "b = 6 years (Brother's age now) \n" ); document.write( "------- \n" ); document.write( "how old is Peter in terms of b ? \n" ); document.write( "p = 3b = 18 years \n" ); document.write( "-------------------------- \n" ); document.write( "How old will they be in 6 years time? \n" ); document.write( "Peter will be 24 yrs \n" ); document.write( "Brother will be 12 yrs. \n" ); document.write( "============================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============================\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |