You're right! Joe's hunch on a tough problem is always wrong. All Joe did to get this answer was to subtract 20 from 30. If the problem were this easy, it wouldn't be problem #25. The correct answer was choice (C). (By the way, don't worry if you don't know how to do this right now. We'll cover percent problems in the arithmetic lesson.)
Never! Joe's choice on a tough problem is always wrong. All Joe did was subtract 20 from 30 to get this answer. If the problem were that easy, it wouldn't be problem #25. The correct answer was choice (C). (By the way, don't worry if you don't know how to do this right now. We'll cover percent problems in the arithmetic lesson.)
