Answer:
528
Step-by-step explanation:
(80:100)*660 =
(80*660):100 =
52800:100 = 528
Now we have: 80 percent of 660 = 528
D
Area of a circle is: 兀r✖️r, so 4.1m ➗2 = 2.05, 2.05✖️2.05 = 4.2025
Well, 12 issues end up as 960 pages total
so... if in 960 pages, 384 are ads, what about 80 pages?
well

solve for "x"
See, please, the suggested option.
If it possible, check it in other sources.