Problem: in a 400 member association consisting of men and women , exactly 20 % of men and exactly 25 % women are homeowners . what is the least number of members who are homeowners ?
Rationale: "solution simple out of 400 20 % are male i . e 80 and 25 % are female i . e 100 , so total homeowner is 180 . now min number homeowner is 80 and max is 180 so question ask us to find least and 81 has least value among all option . so ans is 81 . answer : a"
annotated_formula: add(multiply(multiply(divide(25, const_100), 20), multiply(divide(25, const_100), 20)), divide(subtract(400, 20), 20))