document.write( "Question 1152848: Natasha is 5 years older than Alex. Fiona is 10 years younger than Alex. If the total of their ages is 55, how old is the youngest of them? \n" ); document.write( "

Algebra.Com's Answer #774950 by MathTherapy(10552) $\"\"$ $\"About$

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\n" ); document.write( "Natasha is 5 years older than Alex. Fiona is 10 years younger than Alex. If the total of their ages is 55, how old is the youngest of them?
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It should be obvious to anyone who reads this that Fiona is the youngest.
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document.write( "Let Fiona's age be F
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document.write( "Then Alex' is F + 10, and Natasha's is: F + 10 + 5, or F + 15
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document.write( "We then get: F + F + 10 + F + 15 = 55
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document.write( "3F = 30
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document.write( "F, or Fiona, being the youngest is:  \n" );
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