Well if the room is square then you ned to find the square root of the area.
Find 
Answer:
"6 out of 10 people" means the ratio of class:no_class is 6:4
990/10 = 99, the smallest the "class" and the "no_class" add up to is 10. And, generally, the total divides with that nicely, as in this case.
99(6) = 594 ----------- probably class
99(4) = 396 ------------------ probably no class
Total = 990
I hope this helps
Step-by-step explanation:
BRAINLIEST?
Answer:
can you pls show more......
Step-by-step explanation:
2.3, 2.6, 2 4/5. Hope this helps.