document.write( "Question 901103: Carlos is 48 years younger than Miranda. 4 years ago, Miranda's age was 3 times Carlos's age. How old is Carlos now?\r
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Algebra.Com's Answer #546447 by JulietG(1812)![]() ![]() You can put this solution on YOUR website! C+48 = M \n" ); document.write( "3(C-4) = M-4 \n" ); document.write( "Distribute \n" ); document.write( "3C - 12 = M - 4 \n" ); document.write( "Substitute the known value of M from the top equation into the bottom. \n" ); document.write( "3C-12 = M-4 \n" ); document.write( "3C-12 = (C+48)-4 \n" ); document.write( "3c-12 = C+44 \n" ); document.write( "Subtract C from each side \n" ); document.write( "2C-12 = 44 \n" ); document.write( "Add 12 to each side \n" ); document.write( "2C = 56 \n" ); document.write( "Divide each side by 2 \n" ); document.write( "C = 28 \n" ); document.write( "If Carlos is 28, then Miranda is 28+48, or 76 \n" ); document.write( "Prove it: 4 years ago, Miranda's age was 3 times Carlos's age \n" ); document.write( "4 years ago, Miranda was 72. 4 years ago, Carlos was 24. \n" ); document.write( "24 * 3 = 72 \n" ); document.write( " |