document.write( "Question 175671: Jills mother was 27 when Jill was born. The sum of their ages is now 51. How old is Jill? The trick here is that I have to find out the equation not solve the problem. \n" ); document.write( "
Algebra.Com's Answer #130776 by Mathtut(3670)\"\" \"About 
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call jill and mother's ages , j and m, respectively
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\n" ); document.write( "m=j+27....eq 1
\n" ); document.write( "m+j=51....eq 2
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\n" ); document.write( "take m's value from eq 1 and plug it into eq 2
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\n" ); document.write( "j+27+j=51
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\n" ); document.write( "2j=24
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\n" ); document.write( "\"highlight%28j=12%29\"jill's age
\n" ); document.write( ":
\n" ); document.write( "\"highlight%28m=12%2B27=39%29\"mom's age
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