the length of a rectangle is doubled while its width is tripled . what is the % change in area ?
the original area is l * w the new area is 2 l * 3 w = 6 * l * w = l * w + 5 * l * w the area increased by 500 % . the answer is c .
multiply(subtract(multiply(const_2, const_3), const_1), const_10)