# Math

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Find the amount of the principal on a loan at 6% interest for 274 days if the interest was \$68.50, using the ordinary interest method.

• Math -

The ordinary interest method is to calculate simple interest based on 360 days in a year.

So
interest=principal*(days/360)*rate
68.50=principal*(274/360)*6%
therefore
principal=68.50*(360/274)/0.06
=\$1500

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