document.write( "Question 986377: Jill is 5 years younger than his brother. Ten years from now, the sum of their ages will be 45. Find Jills current age. \n" ); document.write( "
Algebra.Com's Answer #607274 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "Jill is 5 years younger than his brother. \n" ); document.write( "J = B - 5 \n" ); document.write( "Ten years from now, the sum of their ages will be 45. \n" ); document.write( "(J + 10) + (B + 10) = 45 \n" ); document.write( "J + 10 + B + 10 = 45 \n" ); document.write( "Replace J with B - 5 \n" ); document.write( "B - 5 + 10 + B + 10 = 45 \n" ); document.write( "Collect like terms: \n" ); document.write( "2B = 45 + 5 - 20 \n" ); document.write( "2B = 30 \n" ); document.write( "B = 15 \n" ); document.write( "Jill's current age = 10 years old \n" ); document.write( "Brother's current age = 15 years old. \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |