document.write( "Question 418570: girl is 5 times older than her brother, in 6 years she will be twice as old as her brother. How old are they now? \n" ); document.write( "
Algebra.Com's Answer #292882 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! girl is 5 times older than her brother, in 6 years she will be twice as old as her brother. How old are they now? \n" ); document.write( "---- \n" ); document.write( "Equations: \n" ); document.write( "g = 5b \n" ); document.write( "(g+6) = 2(b+6) \n" ); document.write( "---- \n" ); document.write( "Substitute for \"g\" and solve for \"b\": \n" ); document.write( "(5b+6) = 2b+12 \n" ); document.write( "3b = 6 \n" ); document.write( "b = 2 (brother's age now) \n" ); document.write( "--- \n" ); document.write( "Solve for \"g\": \n" ); document.write( "g = 5b \n" ); document.write( "g = 10 (girl's age now) \n" ); document.write( "========================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============= \n" ); document.write( " |