What is the area of an equalateral triangle of side length x?

Is a currency whose value is tied to another currency, meaning that the exchange is fixed

Which one ? is the answer and how to find this answer

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number t of tokens james has is a function of g, the number of games he plays. write the function’s formula? t=