If one-third of one-fourth of a number is 20, then three-tenth of that number is?

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

where is abdul's work? don't see that anywhere posted : /

step-by-step explanation: