Mathematics · System of Linear Equations
Angela is playing a video game. In this game, players can score points only by collecting coins and stars. Each coin is worth c points, and each star is worth s points. • The first time she played, Angela scored 700 points. She collected 20 coins and 10 stars. • The second time she played, Angela scored 850 points. She collected 25 coins and 12 stars. Which system of equations can be used to correctly determine the values of c and s?
- 1700c + 20s = 10 850c + 25s = 12
- 220c + 700s = 10 25c + 850s = 12
- 320c + 10s = 700 25c + 12s = 850✓
- 410c + 20s = 700 12c + 25s = 850
Correct answer
20c + 10s = 700 25c + 12s = 850
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