document.write( "Question 560113: bob is 1/4 as old as mary in four years from now bob will be 3/4 of marys age \n" ); document.write( "
Algebra.Com's Answer #363671 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! bob is 1/4 as old as mary in four years from now bob will be 3/4 of marys age \n" ); document.write( "----- \n" ); document.write( "Equations: \n" ); document.write( "b = (1/4)m \n" ); document.write( "(b+4) = (3/4)(m+4) \n" ); document.write( "-------- \n" ); document.write( "Substitute for \"b\" and solve for \"m\": \n" ); document.write( "((1/4)m + 4 = (3/4)m + 3 \n" ); document.write( "(1/2)m = 1 \n" ); document.write( "m = 2 (Mary's age now) \n" ); document.write( "----- \n" ); document.write( "bob = (1/4)m = 6 months (Bob's age now) \n" ); document.write( "========================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================= \n" ); document.write( " |