Sheeeeeeeeeeesh I feel bad for you
Answer:
715 minutes
Step-by-step explanation:
we know that
To find out how many more minutes he can use, subtract the number of minutes he has already talked from the number of minutes of his plan
Let
x -----> the number of minutes of his plan
y -----> he number of minutes he has already talked
so

we have

substitute

So, the time is the Y axis and the speed is the X axis graph the times and the speed and fill in the boxes with the time and speed.