Answer:
Required equation 
Step-by-step explanation:
Given : Nova receives a bill for her cell phone each month. She pays a flat fee of $35 plus $0.05 per text message. This month, her bill without taxes was $51.50.
To find : Which equation gives the number of text messages, t, she sent this month?
Solution :
Let t be the number of messages.
The cost of per message is =$0.05
The cost of t messages = $0.05t
She pays flat fee = $35
Total bill without taxes = $51.50
The equation gives the number of text messages, t, she sent this month is
