Answer:
190 square feet.
Explanation:
In this problem, we assume that the courtyard measures 950 square feet.
So, 20% of 950 is
![20 \%(950)=(20)/(100)950=(1)/(5)950= 190ft^(2)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/afsg774qoy2cxvmww93soalyqdoqxu9bdg.png)
That is, the 20% of the courtyard is 190 square feet.
Therefore, the complete statement is
Since 20% of 950 is 190 , students can use 190 square feet of the courtyard