You play a gambling game with your friend in which you win 90% of the time and lose 10% of the time. when you lose, you lose $1. what profit should you earn when you win in order for the game to be fair?

because linear equations are a lot simpler than quadratics equations, and linear equations formula is a lot easier to memorize. that's why i think they're harder.

square root of 36/6 = 2.449489743

square root of 16/6 = 1.632993162

square root of 6 = 2.449489743

the answer is square root of 16/6 because the square root of 36/6 is the same answer as square root of 6 = 2.449489743