document.write( "Question 531715: If Mavis is 5 yrs older than her brother. 5 years ago she was twice her brother's age, how old are they now? \n" ); document.write( "
Algebra.Com's Answer #350560 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! If Mavis is 5 yrs older than her brother. 5 years ago she was twice her brother's age, how old are they now? \n" ); document.write( "--------------------- \n" ); document.write( "Equations: \n" ); document.write( "m = b + 5 \n" ); document.write( "m-5 = 2(b-5) \n" ); document.write( "------- \n" ); document.write( "Substitute for \"m\" and solve for \"b\": \n" ); document.write( "b+5-5 = 2b - 10 \n" ); document.write( "brother = 10 yrs (Brother's age now) \n" ); document.write( "-------- \n" ); document.write( "Solve for \"m\": \n" ); document.write( "m = b + 5 \n" ); document.write( "m = 10+5 = 15 yrs (Mavis's age now) \n" ); document.write( "==================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============== \n" ); document.write( " \n" ); document.write( " |