Answer:
The required expression for total number of points you earn is
.
Explanation:
Consider the provided information.
Let c represents the coin and p represents the points before getting star.
You earn 10 points for every coin you collect in a video game.
......(1)
You find a star that triples your score.

Now the total number of points you earn is(P):

Substitute the value of p from equation 1.

