Since a and 5 aren't like terms, you would write the expression as 
Answer:
2022 students
Step-by-step explanation:
Since 18 out of 270 students speak three or more languages, a prediction would be 30,330 x 18/270 = 2,022 students
The answer is 6 and 1/15.
4/5 x 2= 8/5
Which is 1 3/5 cups needed for 2 pies