document.write( "Question 1163959: lori is 15 years older than carol. in 10 years, lori will be twice as old as carol. how old is lori now? \n" ); document.write( "
Algebra.Com's Answer #788234 by greenestamps(13198)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Solving a problem like this using formal algebra is good practice with formal mathematics. You have responses showing two different algebraic solutions. \n" ); document.write( "If a formal solution is not required, you can get to the answer faster using logical reasoning and simple arithmetic. \n" ); document.write( "The difference in their ages is 15 years. \n" ); document.write( "So when Lori is twice as old as Carol, their ages will be 15 and 30. \n" ); document.write( "Since that will be 10 years from now, their current ages are 5 and 20. \n" ); document.write( " \n" ); document.write( " |