The equation for monthly payment is b = 49.05M.
Given, a cellular family phone plan cost $49 per minute plus five cents per minute of long distance service. We have to write an equation for the monthly payment b when M minutes of long distance service are used.
Now, given that,
An equation is a statement that the values of two mathematical expressions are equal (indicated by the sign =)
5050 i think
50- 250 is correct i did that one too