The answer is: 63.1538461538461538 ; (round to: 63.154) .
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130/100 * n = 82.1 ; Solve for "n" ;
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(1.3) n = 82.1 ;
n = 82.1 / 1.3 ;
n = 82.1 / 1.3 = 63.1538461538461538 ; round to 63.154 .
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