Mrs. Evans gave a test to her freshmen economics class, which has 25 students enrolled and 22 of them answered question 1 correctly. If 20 answered question 2 correctly and 3 did not take the test then how many answered both questions correctly?
Select the correct option.
A) 30  B) 20  C) 23  D) 17  E) 19
Total number of enrolled students = 25   Number of students who did not take test = 3   Hence, number of students who took test = 25 - 3= 
<gadget id="calculator">25 - 3</gadget>
<output>22</output>
22   Number of students who answered Q2 correctly=20, therefore, all students who took test answered Q2 correctly.   So, number of students who answered Q1 correctly, also answered Q2 correctly = 20.   Number of students who answered both Q1 &amp; Q2 correctly = 20.   ANSWER:20
<result>B</result>
Mrs. Evans gave a test to her freshmen economics class, which has 25 students enrolled and 22 of them answered question 1 correctly. If 20 answered question 2 correctly and 3 did not take the test then how many answered both questions correctly?