Answer:
The answer is compressed horizontally I think
Hello!
Your answer is Quote:
"The quantity you don't know is the dependent variable. That is the variable that depends on all the other quantities. With the dependent variable by itself on one side of the equation, you have everything you don't know on one side and everything you do know on the other side."
The answer is x = 5. Hope that helps, God bless!
If then
If then first 300 minutes are free and each minute of next (x-300) minutes costs $0.39, therefore the answer is B :)