the length and breadth of a rectangle is increased by 10 % and 30 % respectively . what is the increase in the area ?
"100 * 100 = 10000 110 * 130 = 14300 - - - - - - - - - - 4300 10000 - - - - - - - 4300 100 - - - - - - - 43.00 answer a"
divide(multiply(subtract(rectangle_area(add(10, const_100), add(30, const_100)), rectangle_area(const_100, const_100)), const_100), rectangle_area(const_100, const_100))