Lisa and katie are playing a card game, and a total of 900 points has been scored. lisa scored 400 more points than katie. if you let the number of points that lisa scored, and the number of points that katie scored, then the problem can be represented by the system:

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11

answer: 30

step-by-step explanation: its 30 because im a basketball player and stephen curry hits most of his shots so if you put 30 you might make the shot goodluck