A woman weighs 60 kg and has a total foot imprint area of

Question

Problem: A woman weighs 60 kg and has a total foot imprint area of 400cm². The snow can only handle 0.5 kPa of pressure.

Part A: What is the minimum size of snowshoes needed (imprint area per shoe) for her to walk on snow without sinking.

I need the steps to find the minimum size of snowshoes thanks!