Answer:
A) 25
B) 64
Step-by-step explanation:
Hope this helps :))
First we have to divede the tota of students into the sice of each grop so:

So we can aproximate this to a whole number so:
Answer:
0.012
Step-by-step explanation:
0.004 * 3 = 0.012
Answer: 51°
Step-by-step explanation:
3:5
x:85°
85/5=17
3x17=51
So, 51° is the answer!
Hope this helped! ;)