Answer:
9/25
Step-by-step explanation:
Number of Trials =50
<u>Outcomes Less than 4</u>
Frequency of 1=6
Frequency of 2=4
Frequency of 3=8
Total =6+4+8=18
Relative frequency for "roll a number less than 4" =18/50=9/25
Answer:
x = -3
Step-by-step explanation:
Answer:
$12
Step-by-step explanation:
Answer:
12 dark chocolates
Step-by-step explanation:
Let there are 2x milk chocolates and 3x dark chocolates.
Total no of milk chocolates = 8
ATQ,
2x = 8
x = 4
Dark chocolates = 3x
= 3(4)
= 12
Hence, there are 12 dark chocolates.
Answer:
170 children
74 students
85 adults
Step-by-step explanation:
Given
Let:

For the capacity, we have:

For the tickets sold, we have:

Half as many as adults are children implies that:

Required
Solve for A, C and S
The equations to solve are:
-- (1)
-- (2)
-- (3)
Make C the subject in (3)

Substitute
in (1) and (2)
-- (1)


Make S the subject

-- (2)



Substitute 



Solve for A


Recall that: 


Recall that: 



Hence, the result is:


