document.write( "Question 1177597: three times cayla age plus jose age equal 60. cayla age is three times jose age. how old is cayla\r
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Algebra.Com's Answer #806664 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "let Cayla's age be \"C\" and Jose's age \"J\"\r
\n" ); document.write( "\n" ); document.write( "if three times Cayla's age plus Jose's age equal \"60\", we have\r
\n" ); document.write( "\n" ); document.write( "\"3C%2BJ=60\".......eq.1\r
\n" ); document.write( "\n" ); document.write( "if Cayla's age is three times Jose's age, we have\r
\n" ); document.write( "\n" ); document.write( "\"C=3J\".........eq.2, substitute in eq.1\r
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\n" ); document.write( "\n" ); document.write( "\"3%2A3J%2BJ=60\".......eq.1\r
\n" ); document.write( "\n" ); document.write( "\"9J%2BJ=60\"\r
\n" ); document.write( "\n" ); document.write( "\"10J=60\"\r
\n" ); document.write( "\n" ); document.write( "\"J=6\"\r
\n" ); document.write( "\n" ); document.write( "go to\r
\n" ); document.write( "\n" ); document.write( "\"C=3J\".........eq.2, substitute \"J\"\r
\n" ); document.write( "\n" ); document.write( "\"C=3%2A6\"\r
\n" ); document.write( "\n" ); document.write( "\"C=18\"\r
\n" ); document.write( "\n" ); document.write( " Cayla is \"18\" years old\r
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