40+20=60
90-60=30
30 divided by 60=0.3333
33.33% makes up the last classroom
Answer: x = 28
Step-by-step explanation: You multiply each place by 7 to get the x by itself and you get 28 as an answer
Answer:
Step-by-step explanation:
News.com. :)
Answer:
The area is 21 m
Step-by-step explanation:hope i helpped