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 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