Answer: i think its implied
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given equation is 
Factor denominators then solve by making denominators equal







take squar root of both sides


Hence final answer is
.
1/2 - 1/4x ≥ -1/4
Combine 1/4x to get x/4:
1/2 - x/4 ≥ -1/4
Subtract 1/2 from both sides:
-x/4 ≥ -1/4 - 1/2
Simplify:
-x/4 ≥ -3/4
Multiply both sides by 4:
-x ≥ -3/4 * 4
-x ≥ -3
Multiply each side by -1 ( and since you are multiplying by -1, you also need to reverse the inequality sign)
Answer: x ≤ 3
I'm pretty sure that it's k = -1
About $0.48
you can make an equation
12/5.79 = 1/x