document.write( "Question 1014739: At what rate of simplest interest will 1000 accumulate to 1420 in 2.5 years, money double itself in 8 years? 500 accumulate 10 interest in 2 years?
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Algebra.Com's Answer #631048 by macston(5194)\"\" \"About 
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\n" ); document.write( "1). At what rate of simple interest will 1000 accumulate to 1420 in 2.5 years?
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\n" ); document.write( "1420-1000=420 you need 420 in interest
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\n" ); document.write( "420/2.5=168 you need 168 in interest per year.
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\n" ); document.write( "(168/1000)(100%)=16.8%
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\n" ); document.write( "ANSWER 1: 16.8%
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\n" ); document.write( "2). At what rate will 1000 double itself in 8 years?
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\n" ); document.write( "To double you need 1000 in interest total
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\n" ); document.write( "1000/8 yrs=125/yr you need 125 in interest per year
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\n" ); document.write( "(125/1000)(100%)=12.5%
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\n" ); document.write( "ANSWER 2: 12.5%
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\n" ); document.write( "3). At what rate will 500 earn 10 in interest in 2 years?
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\n" ); document.write( "10/2 years = 5 per year You need to earn 5 per year
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\n" ); document.write( "(5/500)(100%)= 1%
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\n" ); document.write( "ANSWER 3: 1%\r
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