media service charges $40 for a phone and $30 month for its economy plan. The equation c=30t+40 describes the total cost c, of operating
Pls help asap
a media service phone for t months.
the total cost for 4 months of service is--?
if a customer has only $110 available how many months of service can she receive

Question

media service charges $40 for a phone and $30 month for its economy plan.  The equation c=30t+40 describes the total cost c, of operating 
Pls help asap
a media service phone for t months.
the total cost for 4 months of service is--?
if a customer has only $110 available how many months of service can she receive

anonymous · Answer

please help someone asap
media service charges $40 for a phone and $30 month for its economy plan.  The equation c=30t+40 describes the total cost c, of operating 
P
a media service phone for t months.
the total cost for 4 months of service is--?
if a customer has only $110 available how many months of service can she receive