Which situation could be represented by the equation 38.25 = 3x?

A group of 3 friends each had $38.25. What is x, the total amount of money the friends had all together?

A group of friends had $38.25. They decided to triple their money by working for a neighbor. What is x, the total amount of money the friends had all together after working for a neighbor?

A group of 3 friends had $38.25 all together. Each friend had the same amount of money. What is x, the amount of money each friend had?

A group of friends had $38.25. They earned $3 more. What is x, the amount of money the friends have all together?