Question

A person casts a shadow 3 feet long. The building casts a shadow 15 feet long. The ratio of the petson's shadow to the building's shadow is ______ to ______. If the other side of the building is 10 feet tall, the person will be ______ feet tall.

Answer 1

1:5
2 feet long.

3 and 15 simplified equals 1 and 5. So if the building is 10 who's is double 5, then the person is 2.