document.write( "Question 982441: When Sarah turns 36 years old, her father will be 62. Currently, Sarah is 1/3 of her father's age. How many years old is Sarah now?
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Algebra.Com's Answer #603262 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! When Sarah turns 36 years old, her father will be 62. Currently, Sarah is 1/3 of her father's age. How many years old is Sarah now? \n" ); document.write( "-------- \n" ); document.write( "Equations: \n" ); document.write( "s = (1/3)f \n" ); document.write( "---- \n" ); document.write( "Father is always 62-36 = 26 years older than Sarah. \n" ); document.write( "------ \n" ); document.write( "f = s + 26 \n" ); document.write( "----- \n" ); document.write( "Substitute for \"f\" and solve for \"s\":: \n" ); document.write( "s = (1/3)(s+26) \n" ); document.write( "3s = s+26 \n" ); document.write( "2s = 26 \n" ); document.write( "s = 13 yrs (Sarah's age now) \n" ); document.write( "------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |