7. The school photography club charges $10 for each photo in its annual pet photo contest. The club wants to save $75 of its ear
nings for a pizza party. The club members also want to have at least $50 left over after the pizza party to pay for other club expenses. Write an expression for:
I assume the unknown for this item is the number of photo that the club should develop in order to satisfy the given conditions. With x photos, the club will earn 10x. The inequality that would best express the given is, 10x - 75 ≥ 50