document.write( "Question 809763: Bill is 5 years less then 3 times charity's age. The sum of there ages is 79. How old is bill and charity? \n" ); document.write( "
Algebra.Com's Answer #487766 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Bill is 5 years less then 3 times charity's age. The sum of there ages is 79. How old is bill and charity? \n" ); document.write( "---------------------------- \n" ); document.write( "Equations:: \n" ); document.write( "b = 3c - 5 \n" ); document.write( "b + c = 79 \n" ); document.write( "---------------------- \n" ); document.write( "Substitite for \"b\" and solve for \"c\": \n" ); document.write( "3c-5 + c = 79 \n" ); document.write( "4c = 84 \n" ); document.write( "c = 21 (Charity's age now) \n" ); document.write( "---- \n" ); document.write( "Solve for \"b\": \n" ); document.write( "b + c = 79 \n" ); document.write( "b + 21 = 84 \n" ); document.write( "b = 63 (Bill's age now)\r \n" ); document.write( "\n" ); document.write( "---------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "===================== \n" ); document.write( " \n" ); document.write( " |