document.write( "Question 901064: Conner is 30 years younger than Noelle. 6 years ago, Noelle's age was 3 times Conner's age. How old is Conner now? \n" ); document.write( "
Algebra.Com's Answer #546440 by JulietG(1812)![]() ![]() You can put this solution on YOUR website! C = N-30 \n" ); document.write( "N-6 = 3(C-6) \n" ); document.write( "Distribute \n" ); document.write( "N-6 = 3C-18 \n" ); document.write( "Add 6 to each side \n" ); document.write( "N = 3C - 12 \n" ); document.write( "Substitute the value of C from the top equation into the bottom \n" ); document.write( "N = 3(N-30)-12 \n" ); document.write( "Distribute \n" ); document.write( "N = 3N - 90 - 12 \n" ); document.write( "N = 3N - 102 \n" ); document.write( "Add 102 to each side \n" ); document.write( "N + 102 = 3N \n" ); document.write( "Subtract N from each side \n" ); document.write( "102 = 2N \n" ); document.write( "Divide each side by 2 \n" ); document.write( "51 = N \n" ); document.write( "If Noelle is 51, then Conner is 30 less than that, or 21 \n" ); document.write( "Prove: 6 years ago, Noelle's age was 3 times Conner's age \n" ); document.write( "6 years ago, Noelle was 51-6, or 45. \n" ); document.write( "6 years ago, Conner was 21-6, or 15. \n" ); document.write( "45 is 3x 15. \n" ); document.write( "Conner is currently 21, and Noelle is currently 51. \n" ); document.write( " |