Question

a flagpole casts a shadow 10ft long. a girl standing next to the flagpole casts a shadow 2.5 ft. long if the girl is 5ft. tall how tall is the flagpole?

Answer 1

you can solve it writing rates between shadows and height
\[{5 \over 2.5} = {x \over 10}\]

Answer 2

x=20

Answer 3

you got it!