document.write( "Question 834866: Two sisters are 9 and 5 years old. How many years time will the product of their ages be 221? \n" ); document.write( "

Algebra.Com's Answer #503605 by richard1234(7193) $\"\"$ $\"About$

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Since their ages are presumed to be integers, look at the prime factorization of 221. 221 = 17*13, so it will take 8 years. \n" ); document.write( "

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