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答案：D

If 75 percent of a class answered the first question on a certain test correctly, 55 percent answered the second question on the test correctly, and 20 percent answered neither of the questions correctly, what percent answered both correctly?

(A) 10%

(B) 20%

(C) 30%

(D) 50%

(E) 65%

答案：D

A store currently charges the same price for each towel that it sells. Ifthe current price of each towel were to be increased by $1, 10 fewer of the towels could be boughtfor$120, excluding sales tax. What is the current price of each towel?

(A) $1 (B)$ 2

(C) $3 (D)$ 4

(E) \$12

答案：C

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