document.write( "Question 1100016: Samantha's mom is currently three times Samantha's age. Samantha's dad is 3 years older than her mom. The sum of all three of their ages is 80. How old is Samantha? \n" ); document.write( "

Algebra.Com's Answer #714494 by ikleyn(52781) $\"\"$ $\"About$

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\n" ); document.write( "Samantha's mom is currently three times Samantha's age. Samantha's dad is 3 years older than her mom.
\n" ); document.write( "The sum of all three of their ages is 80. How old is Samantha?
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document.write( "Samantha + Mom + Father  = 80.\r\n" );
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document.write( "S        + 3*S + (3*S+3) = 80.\r\n" );
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document.write( "7*S = 80 - 3  ====>  7*S = 77  ====>  S =  = 11.\r\n" );
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