How are folding and faulting similar?

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.

Ming says that 0.24 > 1/4 because 0.24= 2/4. which best explains mings error

How do you determine if an ordered pair is a solution to a given equation?