document.write( "Question 1163711: The sum of Sofia's age and Sonya's age is 65. Eleven years ago, Sonya was seven less than four times as old as Sofia. Find Sofia's age now. \n" ); document.write( "
Algebra.Com's Answer #787894 by josgarithmetic(39617)\"\" \"About 
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f, Sofia
\n" ); document.write( "n, Sonya
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\n" ); document.write( "\n" ); document.write( "Question asks for Sofia's age. Substitute using \"n=65-f\" in the second equation and solve it for f.\r
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