document.write( "Question 953294: Monica is four years older than Kate. Five years ago, she was twice as old as Kate was. Find their ages now. \n" ); document.write( "
Algebra.Com's Answer #582148 by macston(5194)![]() ![]() You can put this solution on YOUR website! K=Kate's age; M=Monica's age=K+4yrs \n" ); document.write( "M-5yrs=2(K-5yrs) Substitute for M. \n" ); document.write( "K+4yrs-5yrs=2K-10yrs Subtract K from each side. \n" ); document.write( "-1yrs=K-10 yrs Add 10yrs to each side. \n" ); document.write( "9yrs=K ANSWER 1: Kate is 9 years old. \n" ); document.write( "M=K+4yrs=13yrs+4yrs=13yrs ANSWER 2: Monica is 13 years old \n" ); document.write( "CHECK: \n" ); document.write( "M-5yrs=2(K-5yrs) \n" ); document.write( "13yrs-5yrs=2(9yrs-5yrs) \n" ); document.write( "8yrs=2(4yrs) \n" ); document.write( "8yrs=8yrs\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |