Answers

2014-11-25T21:39:49+05:30
Principal= $15
Rate= 3
Time= 1yr
Interest= PTR/100
              15*1*3/100
               =$0.45
Money he gets after a year= principal+ interest
                                       =15+0.45
                                       =$15.45
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2014-11-25T23:08:05+05:30
P= $15
R= 3·/·
T= 1yr
Interest=  \frac{P*R*T}{100}
           = \frac{15*3*1}{100}
           =0.45
He gets back $15.45
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