Can u help me with this, I have no idea what to do for it :/

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.

How can constraints be used to model a real-world situation?

Find │–14│ a. 14 b. –14 c. start fraction 1 over 14 end fraction