Mr. Figueroa sells memberships to a fitness club. He earned $250 for selling 5 memberships. Mr. Figueroa earned $325 for selling 8 memberships. Which of the following equations represents this situation, where m represents the number of memberships Mr. Figueroa sold and e represents the amount he earned?

O e = 25m
Oe = 50m
Oe= 25m+125
Oe=50+ 125​