document.write( "Question 15213: The sum of Carol's and Sandy's ages is 47. In 10 years Carol will be 10 years older than Sandy was 7 years ago. Find their present ages. \n" ); document.write( "
Algebra.Com's Answer #7556 by AnlytcPhil(1806)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "The sum of Carol's and Sandy's ages is 47. In 10 years Carol will be \n" ); document.write( "10 years older than Sandy was 7 years ago. Find their present ages. \n" ); document.write( "` \n" ); document.write( "The sum of Carol's and Sandy's ages (C+S) is 47. In 10 years Carol (C+10) \n" ); document.write( "will be 10 years older than(10 more than) Sandy was 7 years ago (S-7). \n" ); document.write( "` \n" ); document.write( "(C+S) = 47 \n" ); document.write( "(C+10) = 10 more than (S-7), which means \"(S-7) plus 10\" \n" ); document.write( "` \n" ); document.write( "or \n" ); document.write( "` \n" ); document.write( "C + S = 47 \n" ); document.write( "C + 10 = (S - 7) + 10 \n" ); document.write( "` \n" ); document.write( "Can you solve this system, after simplifying the second one? \n" ); document.write( "` \n" ); document.write( "Answer: Carol is 20 and Sandy is 27 \n" ); document.write( "` \n" ); document.write( "Edwin \n" ); document.write( " |