Answer:
20
Step-by-step explanation:
Let A, B, C and D sets.
Let |A| the number of elements of A.
Remember, the quantity of elements that have the set
is

1. Since each set has 100 elements,
2. each pair of the sets shares 50 elements
3. each three of the sets share 25 elements,
4. the four sets share 5 elements
Then

So, there are 20 elements in the union of the sets A, B, C and D
Answer:
The answer is 5.
Since he has 3 part chocolate all he has 18 cups left. You can keep adding 3 till you get 18 and how many ever groups you have with 3 (which is 5 groups) is the answer.
(4 x 3) - 8 is your answer.
Product of 4 and 3 translates to 4 x 3
Sum of said product and - 8 translates to 4 x 3 - 8
Because of PEMDAS, we must multiply first. So in order to make sure your expression says this, you must use parentheses.
Answer:
I don't know the answer I am Sorry please mark me as brainliest