Answer:
If
then
and 
Step-by-step explanation:
Solve two inequalities for x.
1. 
Separate terms with x and without x into two sides:

Multiply by -1:

2. 
Separate terms with x and without x into two sides:

Multiply by -1:

Find the largest set of x values satisfying both inequalities:

If
then
and
In this case both m and n are negative.
If
then
and 
If
then
and 
Answer:
12x+y
Step-by-step explanation:
12 times a number x
12x
Plus y
12x+y
The problem is stating that there is a a ratio of 2:3 of pine to maples trees. Thus the total number of pine trees planted will be given by:
total ratio=2+3=5
thus the number of pines will be:
2/5×300
=120 pines
Answer: 120 pines
Think about it like 3 is out of 100. Your answer is 3.