A school assembly had 70 students in attendance, and 90% of them were first-graders. How many first-graders were at the assembly
1 answer:
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Answer:
The required expression for total number of points you earn is .
Step-by-step 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.