A12ft tall street light is making and 18 ft shadow . at the same time a nearby building is making a 72ft shadow how tall is the building?

To solve this problem you write it out like this

You would then cross multiply the 12 and 72 to get 864. Then, take the 864 and divide by 18 to get 48.
The building is 48 feet high.

Please give brainliest