document.write( "Question 178870: Your parents invested $2000 in a college fund for you when you were 4 years old. It has doubled in value every 4 yrs. If you are now 16, how much is in your college fund? \n" ); document.write( "

Algebra.Com's Answer #133816 by Mathtut(3670) $\"\"$ $\"About$

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let x be the initial amount invested
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\n" ); document.write( " $\"x%282%29%5En\"$ n is the number of periods it doubles
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\n" ); document.write( "16-4=12 years
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\n" ); document.write( "12/4=3 periods it has doubled
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\n" ); document.write( "4000(2)^3=32000 dollars in the college fund at age 16 \n" ); document.write( "

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