document.write( "Question 620221: How do you write and interpret the following questions:\r
\n" ); document.write( "\n" ); document.write( "1) Luke is 4 years older than his sister. In 10 years the sum of their ages will be 60 years. How old is each?\r
\n" ); document.write( "\n" ); document.write( "2) What is the area of a square whose perimeter is represented by 12x?\r
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Algebra.Com's Answer #390012 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Let represent the sister's age now. Then is the older brother's age now. 10 years from now the sister will be and the brother will be , and at that time the sum will be 60, so:\r
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\n" ); document.write( "\n" ); document.write( "Solve for , then calculate \r
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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\"The

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