Professors Lambert and Stassen team-teach an advanced psychology class. Their studentsrecently took their final exams, and the professors are preparing to grade them. ProfessorStassen predicts that, if she graded all the exams, she would take 50% more time thanProfessor Lambert would if he graded all the exams. They estimate that it will takethem 40 hours to grade all the exams if they grade together. Which of the followingequations best represents the situation described?
A.
B.
C.
D.
Answer:B
Professors Lambert and Stassen team-teach an advanced psychology class. Their studentsrecently took their final exams, and the professors are preparing to grade them. ProfessorStassen predicts that, if she graded all the exams, she would take 50% more time thanProfessor Lambert would if he graded all the exams. They estimate that it will takethem 40 hours to grade all the exams if they grade together. Which of the followingequations best represents the situation described?
A. B. C. D.
Explanation: B