Answer:
80 ÷ 4 = 20, so 100 ÷ 4 = 25 students
Step-by-step explanation:
Is means equals to and of means multiply
20 = 80% * N
20 = .80 N
Divide each side by .8
20 / .8 = N
25 = N
there are 25 students
Answer:
it's either 200:15 or 20:15 or 15:20
Step-by-step explanation:
Answer:
-1,1
Step-by-step explanation:
because if you plot the points that is half.
Answer:
180 degrees
Step-by-step explanation: