henry paints a picture using 3 ounces of paint. if karl makes an exact copy of henry's picture on a wall so that the linear dimensions are 3.6 time greater than the original, approximately how much paint must Karl use?

Question

anonymous · Answer

henry uses 3 ounces to cover a certain area with paint.
if each dimension is increased by 3.6 times, assuming a rectangular shape, the area increases by 3.6^2 times
so karld needs 3 times 3.6^2 ounces of paint