135k views
2 votes
Please help me !!!

Interest earned: $39.60
principal: ?
interest rate: 11%
time: 6 months

1 Answer

7 votes

Primcipal 739.30 Total = 778.90

Found by trial and error. I tried using equations but when you have TWO unknowns, it's (I think) impossible.

User Cfbarbero
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