Yes, the student's theory is correct, because the survey shows that the seventh graders spend more time playing games on the weekend than the eighth graders.
The correct answer is 16/81. Hope this helps.
Answer:
option c is the correct answer
The answer is 6 because 21+9=30 and 30-6=24 and 24 is the number of students in the class.
It's the same because you're trying to find net price (end price)
You're going to take in both scenarios 100%-15%= 85%
You're always going to be paying only 85% of the price.
