The phone company Splint has a monthly cellular plan where a customer pays a flat monthly fee and then a certain amount of money per minute used on the phone. If a customer uses 310 minutes, the monthly cost will be $145.5. If the customer uses 570 minutes, the monthly cost will be $236.5.

A) Find an equation in the form where is the number of monthly minutes used and is the total monthly of the Splint plan. ?

Do no use any commas in your answer.

B) Use your equation to find the total monthly cost if 698 minutes are used.

Answer: If 698 minutes are used, the total cost will be ?

Question

The phone company Splint has a monthly cellular plan where a customer pays a flat monthly fee and then a certain amount of money per minute used on the phone. If a customer uses 310 minutes, the monthly cost will be $145.5. If the customer uses 570 minutes, the monthly cost will be $236.5.

A) Find an equation in the form  where  is the number of monthly minutes used and  is the total monthly of the Splint plan. ?   
   
Do no use any commas in your answer.

B) Use your equation to find the total monthly cost if 698 minutes are used.

Answer: If 698 minutes are used, the total cost will be ?