6. Isabella is going to take four math tests scored out of 100. Her goal is to achieve an average score of 95. It is known that her scores for the first two tests were 97 and 91, respectively. After the third test, she believes she can reach her goal. What is the minimum score she needs to achieve on the third test?
(A) 90
(B) 92
(C) 95
(D) 96
(E) $97 \quad 7 \quad-1$
6. E:

Let's assume the score of the third exam is $x$. Then
$$
97+91+x \geqslant 95 \times 3 \Rightarrow x \geqslant 97 \text{. }
$$