Directions: 1. Use paper and pencil
2. Solve this system of equations using substitution method
3. Write down the solution (x, y)
4. To submit your work: Upload a picture of your work below
(Click "Insert" --> "Image" --> "Upload Image") OR send a picture of
your work to Mrs. Pray on Teams OR type out all of your
work showing every step (one step per line).
3x + y = 15
8x - 3y = 6

Ihonestly don’t understand this at all

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.

Combine the information in the problem and the chart using the average balance method to solve the problem.