uh its fraction coordinates planes you can ss it and send it to me as the answer on here ty ill give brainlist to the first person that gets it right ty ty

How to solve it and what thw answer is

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73