This year 1656 people were in attendance for a picnic. that was 138% of the number of people who attended last year. how many people were in attendance last year ?

About 2285 people were in attendance last year.

Step-by-step explanation:

138%=1.38

1.38*1656=2285.28

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