Answer:
1562.5
Step-by-step explanation:
WE just do cross multiplication for this.
==>(250000*5)/800=1562.5
Let number of books by astrid's = x
Out of x , 84% are fiction.
So, Number of non fictional books = x - 
= 
→Ratio of number of books to fictional books
⇒[Dividing numerator and denominator by 4.]
→Out of 25 books by astrid 21 are fictional.
→ Number of fictional books by astrid = 
Answer: 10√3 / 3
Step-by-step explanation:
cos 30 = 5 / x
x = 5 / cos 30
= 5 / √3 / 2
= 10 √3
= 10√3 / 3
The answer to this question is true.
6 x 10 =60
40 x 24=960
maybe
I REALLY DON'T KNOW