document.write( "Question 1001157: Find the savings plan balance after 18 months with 5% interest for 18 months \n" ); document.write( "
Algebra.Com's Answer #618498 by fractalier(6550)\"\" \"About 
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How much is the principal?
\n" ); document.write( "Interest I = prt where t is in years.
\n" ); document.write( "I = p(.05)(1.5)
\n" ); document.write( "If you need to find the principal, you have to give how much interest was earned.
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