document.write( "Question 321555: The son is 23 years younger than the mother. In seven years, the mother will be twice as old as the daughter. How old is each now? \n" ); document.write( "

Algebra.Com's Answer #230361 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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The son is 23 years younger than the mother.
\n" ); document.write( " In seven years, the mother will be twice as old as the daughter.
\n" ); document.write( " How old is each now?
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\n" ); document.write( "Not much information here, let's assume Mommy is 31
\n" ); document.write( "then
\n" ); document.write( "son is 8 yrs old
\n" ); document.write( "and
\n" ); document.write( "31 + 7 = 2(d + 7)
\n" ); document.write( "31 + 7 = 2d + 14
\n" ); document.write( "31 + 7 - 14 = 2d
\n" ); document.write( "31 - 7 = 2d
\n" ); document.write( "24 = 2d
\n" ); document.write( "d = 24/2
\n" ); document.write( "d = 12 yrs is the daughter
\n" ); document.write( ":
\n" ); document.write( "There are many possibilities that are reasonable, and will give an integer value for the daughter's age
\n" ); document.write( "Mommy's age could be 27, 29, 31, 33, all odd numbers up to 89 and even beyond
\n" ); document.write( "For example when Mom is 89, son will be 66, daughter will be 41
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