Answer:
A. 27
Step-by-step explanation:
There are 40 students and 90% of them take exams
(40 students) * (0.9) = 36 students took exams
Of those 36 students, 75% (or 3/4) of them passed. Assuming passing exams means graduating:
(36 students) * (0.75 ) = 27 students graduated
Answer:
B. 20
Step-by-step explanation:
Cos a = b/c
Cos 53° = b/25
b = 25 × 0,6 = 15
x = √(25² - 15²)
x = √(625 - 225)
x = √400
x = 20
Answer:
84% of the cupcakes were chocolate- flavored.
Step-by-step explanation:
