Question

a person who is 60 inch tall casts a shawdow that is 15 in long . how tall is a nerby tree that casts a shawdow 40 in long ?

Answer 1

Let the height of the tree be x.
Ratio of length of shadow to height: 15/60 = 40/x
x = (60 x 40)/15 = 160 in.