For this problem it is best to find the unit rate, or one of something.
For this problem we are finding how much points are earned from 1 coin.
So we would divide 300 / 10 which gives us 30.
In order to now find out how much coins we would have to collect to earn 540 points we would divide 540 by 30
540 / 30 = 18
Answer; 18 coins
