document.write( "Question 997798: A bank deposit paying simple interest grew from an initial sum of $1000 to a sum of $1045 in 9 months. Find the interest rate. \n" ); document.write( "
Algebra.Com's Answer #615770 by fractalier(6550)\"\" \"About 
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Using I = prt, we need to find r. The interest is $45 and the time is 9/12 = .75 years...so
\n" ); document.write( "r = I/pt = 45/(1000 * .75) = .06 = 6%
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