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Which of the following is the greatest common factor of 60 and 64?

(F) 2

(G) 4

(H) 6

(J) 8

(K) 10

Tara’s three bowling scores in a tournament were 167, 178, and 186. What was her average score for the tournament?

(F) 176(G) 177(H) 178(J) 179(K) 180

Correct Answer: G

To increase the mean of 5 numbers by 3, by how much would the sum of the 5 numbers need to increase?

（A）3 （B） 6 （C） 9 （D） 15 （E） 18

Correct Answer: D

Mr. Dietz is a teacher whose salary is $22,570 for this school year, which has 185 days. In Mr. Dietz's school district, substitute teachers are paid $80 per day. If Mr. Dietz's takes a day off without pay and a substitute teacher is paid to teach Mr. Dietz's classes, how much less does the school district pay in salary by paying a substitute teacher instead of paying Mr. Dietz's for that day?

(F) $ 42

(G) $ 80

(H) $ 97

(J) $105

(K) $122

Correct Answer: F