IM lazy llol. Pls help me

ok so lets find 80 percent of 500

so 80 percent of 100 is 80 so 80*5=400

so yes he painted 15 more then this goal

Hope This Helps!!!

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