SOLUTION: How would I write the following equation: Say I'm playing a game and I want to achieve a 90% success rate. So far, I've played 200 games, but only won 170 instead of the desired 18

Question 1126920: How would I write the following equation: Say I'm playing a game and I want to achieve a 90% success rate. So far, I've played 200 games, but only won 170 instead of the desired 180. What would be the equation to show how many consecutive games I need to win in order to bring my overall success rate to the desired 90%? Is there a phrase or name to describe this? TIA
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
x, how many more games to both play and win; and total games played should be x+200.

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