document.write( "Question 956697: Mary 3 years older than sue, Tom is 5 years older than Mary, the three combine ages are 62. How old is sue \n" ); document.write( "
Algebra.Com's Answer #584498 by macston(5194)![]() ![]() You can put this solution on YOUR website! Mary 3 years older than sue, Tom is 5 years older than Mary, the three combine ages are 62. How old is sue \n" ); document.write( "S=Sue's age; M=Mary's age=S+3; T=Tom's age=M+5=S+8 \n" ); document.write( "S+M+T=62 Substitute for M and T. \n" ); document.write( "S+(S+3)+(S+8)=62 \n" ); document.write( "3S+11=62 Subtract 11 from each side. \n" ); document.write( "3S=51 Divide each side by 3. \n" ); document.write( "S=17 ANSWER: Sue is 17 years old. \n" ); document.write( "CHECK: \n" ); document.write( "M=S+3=17+3=20 Mary is 20 years old. \n" ); document.write( "T=M+5=20+5=25 Tom is 25 years old. \n" ); document.write( "S+M+T=62 \n" ); document.write( "17+20+25=62 \n" ); document.write( "62=62 \n" ); document.write( " |