Answer:
Unbalanced, it will go 2N to the left
Step-by-step explanation:
Answer:
Jennie pay would be
300 on sales 
Step-by-step explanation:
Given
Jennie earnings per week = 
On sales of
pay = 
Commission on
sale = pay on
- earning per week= 
Commission on
sale = 2
Commission on
sale =
Now Total payment on sale of
= Jennie earnings per week + Commission on
sale = 
Jennie pay would be
on sales 
Answer:
The number of messages sent by Melissa was 25
The number of messages sent by Keith was 60
The number of messages sent by Chau was 15
Step-by-step explanation:
Let
x ----> the number of messages sent by Melissa
y ----> the number of messages sent by Keith
z ----> the number of messages sent by Chau
we know that
------> equation A
----->
----> equation B
-----> equation C
substitute equation B and equation C in equation A
Solve for z
<em>Find the value of x</em>

<em>Find the value of y</em>
therefore
The number of messages sent by Melissa was 25
The number of messages sent by Keith was 60
The number of messages sent by Chau was 15