Finansies: SREL-Bepaal P#1

'n Sekere bedrag geld word vir 12 jaar teen 2.1% saamgestelde rente belê en vermeerder tot R10287.68.
Bepaal die oorspronklike bedrag wat belê is.

$A equals 10287.68 P equals ? n equals 12 i equals fraction numerator 2.1 over denominator 100 end fraction equals 0.021$

$table attributes columnalign right center left columnspacing 0px end attributes row A equals cell P open parentheses 1 plus i close parentheses to the power of n end cell row cell 10287.68 end cell equals cell P open parentheses 1 plus 0.021 close parentheses to the power of 12 end cell row cell fraction numerator 10287.68 over denominator open parentheses 1 plus 0.021 close parentheses to the power of 12 end fraction end cell equals P row P equals cell 8016.9383 end cell row blank equals cell 8016.94 end cell end table$