SAT Math Multiple Choice Practice Question 303: Answer and Explanation

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Question: 303

17.

If class B and class E each had 100 students in 2002 and 2003, then, in total, how many more students participated in the fund-raiser from class E than from class B over the 2 years?

A. 10
B. 20
C. 30
D. 40
E. 60

Correct Answer: E

Explanation:

E If both classes have 100 students, then class B had 30 students participate in 2002 and 50 in 2003, for a total of 80. Class E had 80 in 2002 and 60 in 2003, for a total of 140. The difference, then, is .

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