The table shows the grades of a college Biology exam. There were 240 students that took the exam. Grade on
Percent of
Exam students
А
14%
B
31%
C/D
40%
F
15%
How many students passed the Biology exam?
O A 85
OB. 108
C. 204
D. 36

answer: procent 54 wynosi 33,33%

b i think

step-by-step explanation:

not really sure

second option

step-by-step explanation:

the measures of a triangle equal 180. use that to find x.

2x+3x+4x=180

9x=180

9x/9=180/9

x=20

now you know x, you know angle a is 40°, angle b is 60°, angle c is 80°.

because angle a is 40°, the first option doesn't work.

because angle b is 60°, the second option does work.

when you add angle a and b, you get 100°. complementary means it equals 90°, so the third option doesn't work.

when you add angle a and c, you get 120°, which is not 100.