The bar graph shows the number of students who earned each letter grade on an exam. Which statement about the graph is true? 1/5 of the students earned a C.

3% more students earned an A than a B.

20% of the class earned a D.

1/4 of the class earned a B

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

is there any photos or whatever?

step-by-step explanation: it is d

the answer is 21%.