Question

D. How tall would the building be if it had 15 floors?

and the building has 9 floors

Answer 1

Explanation:

how tall is the building with 9 floors now ?

or how high or tall is ombre floor ?

you left out crucial information.

I can give you only a relative answer assuming that the autumnal floors would have the same heir as the existing ones :

the existing building with 9 floors has a ratio of 9/9 floors, so it's size is 9/9 = 1/1 to its current size.

the extended building with 15 floors would have a size of 15/9 = 5/3 times its current size.

Answer 2

Answer: 300 feet

Explanation:

you see according too my outstanding intelligence its 300 due to me owning the building