Step-by-step explanation:
Since there is 2 unknown variable ,
so we need 2 equation to find their values.
Answer:
no
Step-by-step explanation:
there is not one point that is very distant from all of the other ones
To find how many minutes of talk time is available per dolla, you have to divide 160 (number of minutes) by 40 (cost)
160/40 = 4
Therefore, it's 4 minutes per dollar