I need help with this I don’t get this one

The table respent two linear functions the equation respented by the first tables is given

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.