Problem: a sum fetched a total simple interest of 4043.25 at the rate of 9 % . p . a . in 5 years . what is the sum ?
Rationale: "principal = ( 100 x 4043.25 ) / ( 9 x 5 ) = 404325 / 45 = 8985 . answer b"
annotated_formula: divide(divide(multiply(4043.25, const_100), 9), 5)