Walking across campus, a student interviewed a group of students. 20% of the students took a finance...
Walking across campus, a student interviewed a group of students. 20% of the students took a finance class last semester, 45% took a marketing class last semester, and 40% took neither a finance nor a marketing class last semester. What percent of the students in the group took both a finance and a marketing class?
Answer/Solution
5%
Steps/Work
{Total} = {finance} + {marketing} - {both} + {neither}
100 = 20 + 45 - {both} + 40
{both} = 5%.
The answer is E.
100 = 20 + 45 - {both} + 40
{both} = 5%.
The answer is E.