document.write( "Question 1122538: Mark is 16 years old. In 4 years he will be twice Norma’s age. How old is Norma now? \n" ); document.write( "
Algebra.Com's Answer #738669 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Look at the question first to see what the unknown is:\r\n" );
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\n" ); document.write( "How old is Norma now?
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document.write( "Morma's age = N\r\n" );
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\n" ); document.write( "Mark is 16 years old.
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document.write( "Mark's age = 16\r\n" );
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\n" ); document.write( "In 4 years he will be twice Norma’s age.
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document.write( "Mark's age in 4 years = 16+4 = 20\r\n" );
document.write( "Norma's age in 4 years = N+4\r\n" );
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document.write( "Look at this sentence again:\r\n" );
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\n" ); document.write( "In 4 years he will be twice Norma’s age.
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document.write( "20 = 2(N+4)\r\n" );
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document.write( "You finish.\r\n" );
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document.write( "Edwin
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