document.write( "Question 339342: Money is invested in a savings account at 7% simple interest. After one year, there is $1284 in the account. How much was originally invested (the principal)? I know the answer is $1200. Please provide HOW we do this problem. Thanks. \n" ); document.write( "
Algebra.Com's Answer #243184 by mananth(16946)\"\" \"About 
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I=P*r*t
\n" ); document.write( "p=?
\n" ); document.write( "r=7%
\n" ); document.write( "t=1 year
\n" ); document.write( "..
\n" ); document.write( "Amount at end of 1 year = 107 when you invest 100
\n" ); document.write( "amount in account was $1284 so Principal will be
\n" ); document.write( "100*1284/107 = $1200
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