Answer:
The height of the building is 
Step-by-step explanation:
Given:
Scale drawing is 1/4 inch: 1 foot.
The height of the building in drawing is 5 inches.
Now, to find the actual height of the building.
Let the actual height be 
The height of the building in drawing = 
The ratio of the scale drawing is 
So,
is equivalent is 1 foot.
Thus, 5 inches is equivalent to 
Now, to get the actual height of the building by using cross multiplication method:


<em>By cross multiplying we get:</em>

<em>Dividing both sides by 4 we get:</em>


Therefore, the height of the building is 