Answer:
E
Step-by-step explanation:
let a, b, c represent the number of students in 6th, 7th, 8th grade
ratio of students : teachers = 28 : 1
There are 82 teachers , so 28 × 82 = 2296 students
Then
a + b + c = 2296 , that is
828 + b + c = 2296 ( subtract 828 from both sides )
b + c = 1468 → E
Answer:
m=3
Step-by-step explanation:
Answer:
C or the 3rd one
Step-by-step explanation:
Answer:
The Probability of both happening is <u>0.304</u>.
Step-by-step explanation:
P(A) × P(B)
= 0.76 × 0.4
= <u>0.304</u>