A group of friends are going ice skating. The price of admission is $3. 25. As a group, they spent $14 on refreshments. If they spent a total of $30. 25 on admission and refreshments, how many friends went ice skating? 2 friends 5 friends 14 friends 53 friends.

Which of the following comparisons is true? a: high school tests generally cover more material than college exams. b: your college curriculum is more fixed and standardized than your high school curriculum. c: you get more personal attention in class from your college professors than from your high school teachers. d: college professors usually don't review test material in class the way high school teachers do.