Use the side lengths! C and D have lengths of 3 and heights of 4.
Also use how far away they are from the axis.
Both C and D are 2 away from each axis on the end point.
This also goes with A.
However, B does not seem to be congruent in the sense of (coordinates)
It is the same length and height.
Answer:
C. 120 students
Step-by-step explanation:
10 + 15 + 20 +30 = 75%
100 - 75 = 25%
25% chose football which is 100 students
30% chose swimming
setup proportion:
25/100 = 30/x
25x = 100(30)
25x = 3000
x = 120
Let number of books by astrid's = x
Out of x , 84% are fiction.
So, Number of non fictional books = x - ![\frac{84x}{100}](https://tex.z-dn.net/?f=%5Cfrac%7B84x%7D%7B100%7D)
= ![\frac{100x- 84 x}{100} = \frac{16x}{100}](https://tex.z-dn.net/?f=%5Cfrac%7B100x-%2084%20x%7D%7B100%7D%20%3D%20%20%5Cfrac%7B16x%7D%7B100%7D)
→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 = ![\frac{21}{25}](https://tex.z-dn.net/?f=%5Cfrac%7B21%7D%7B25%7D)
13 lbs shared between 3 batches . . .
13/3 = 4 1/3 lbs each
The two whole numbers would be 4 and 5