Question

A tree casts a shadow of 17.5 ft long at the same time that a woman 5.7 ft tall casts a shadow 4 ft long. How tall is the tree?

Answer 1

Woman; 5.7ft tall: 4ft shadow = 5.7:4
Tree; x ft tall: 17.5ft shadow. It should be 5.7:4.
17.5 * 5.7 / 4 = 24.94 ft.