Answer:
The lines don't intercept
Step-by-step explanation:
we have

isolate the variable y
Divide by 3 both sides

simplify
-----> equation A

Isolate the variable y

Divide by 6 both sides

simplify
-----> equation B
Compare equation A and equation B
The slopes are the same and the y-intercepts are different
Remember that
If two lines has the same slope, then the lines are parallel
therefore
In this problem line A and line B are parallel lines
The system of equations has no solution, because the lines don't intercept
First one is 1.9 per pound second one is 8.33
6y + 12 = 3y - 3
Subtract 3y on both sides
3y + 12 = -3
Subtract 12 on both sides
3y = -15
Divide by 3 on both sides
y = -5
Answer:
1: 4ft
2:6000
3:20
4:2.5
Step-by-step explanation: