# Consider a 70-kg woman who has a total foot imprint 4

Consider a 70-kg woman who has a total foot imprint area of 400 $cm^{2}$. She wishes to walk on the snow, but the snow cannot withstand pressures greater than 0.5 kPa. Determine the minimum size of the snowshoes needed (imprint area per shoe) to enable her to walk on the snow without sinking.