Question

A woman who is 6-ft tall casts a 4.5-foot shadow at the same time that a building casts a 75-foot shadow. What is the height of the building in feet?

Answer 1

I took the test and got 100 ft correct

Answer 2

The height of the building is
`100\ ft`

Explanation:

Let

h ----> the height of the building in feet

we know that

Using proportion

`(6)/(4.5)=(h)/(75)\\ \\h=6*78/4.5\\ \\h=100\ ft`