A theater is selling tickets to a play. Adult tickets cost $8 each and children's tickets cost $5 each. They collect $275 after
2 answers:
Answer:
30 adult's tickets were sold and 7 children's ticket were sold.
Step-by-step explanation:
We are given the following information in the question:
Cost of Adult's tickets = $8
Cost of Children's ticket = $5
Total money collected = $275
Let x be the number of adult's tickets sold and y be the number of children's ticket sold.
Then, we can write this in the form of equation:
The point (30,7) means that 30 adults ticket were sold and 7 children's ticket were sold.
Putting these value in the equation:
which is true.
Thus, 30 adult's tickets were sold and 7 children's ticket were sold.
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Answer:
Step-by-step explanation:
Total number of questions = 20
Possible options for each question = 4
Sample space contains the total number of possible outcomes.
For every question there are 4 possible ways to select an answer. This holds true for all 20 questions. Selecting an answer for a question is independent of other questions/answers,
According to the counting principle, the total number of possible outcomes will be the product of the number of possible outcomes of individual events. Possible outcomes for each of the 20 questions is 4. This means we have to multiply 4 twenty times to find the total number of possible outcomes.
So, the number of elements in the sample space would be: