Abuilding is 509 ft tall each floor is about 14 feet tall about how many floors does the building have

509 ÷ 13 = 36.36 
There are about 36 floors.

36 floors.

This is simple. You will have to divide 509 by 14. To get The amount of floors. 509 divides by 14= 36.35 rounded. Since we cant have a decimal you have to only have the regular number. So 36 floors being at least one is taller. And that works because it is saying about .

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.