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 $s$?

Question

Accepted Answer

$20c+10s=700$
$25c+12s=850$

Answer

$10c+20s=700$
$12c+25s=850$

Answer

$20c+700s=10$
$25c+850s=12$

Answer

$700c+20s=10$
$850c+25s=12$