Amicrochip can process 1,280 bits of information in 3.2 x 10 (exponent) -7 seconds. how many bits of information could it process in one hour

Ineed with number 17 i don’t get it at alll

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?

How do i do this? i don’t understand