Before compairing the price of the different plans, fill in the blanks below for the per minute price, and then add the monthly fee and find the real per minute price.
Plan A - 250 anytime minutes for $30 per month
100min 250min 500min
30$ monthly fee ______ ______ ______
45 cent additional minutes ______ ______ ______
Price per minute ______ ______ ______