Answer:
4
Step-by-step explanation:
147.59 is the total amount given to each brother after all purchases were made.
Answer:
C=30
Step-by-step explanation:
Supposing that we have the lines
x+2=10y
and
3x+6=Yc.
Note that dividing by 3 the second line can be rewritten as
x + 2= Y c/3.
Remember that a line is written as
, in our case, both lines have
and
. Therefore, in orther that the two lines are equal, we need that
, hence 
Answer:
1. 
2. 
3. 
4. 
5. 
6. 
Step-by-step explanation:
First use 


It doesn't have to be
, it could be
. It will be the same answer.
1. 
2. 
3. 
4. 
5. 
6. 
Answer:
You have to have the graph to answer it.
Step-by-step explanation: