There was 320 girls and 180 boys what is the percentage of girls

64%

Step-by-step explanation:

% = [(number of girls)/(sum of boys and girls)] x 100

[320 / (320 + 180)] x 100% = 64%

180/320 * 100% = .5625 * 100% = 56.25%

Step-by-step explanation:

x =±sqrt(1/3)

step-by-step explanation:

x+4/6x=1/x

multiply each side by 6x to get rid of the fractions

6x*(x+4/6x)=1/x*6x

distribute

6x^2 +4 = 6

subtract 4 from each side

6x^2 +4-4 = 6-4

6x^2 =2

divide by 6

6x^2/6 = 2/6

x^2 = 1/3

take the square root of each side

sqrt(x^2) = ±sqrt(1/3)

x =±sqrt(1/3)

answer: he is 272195

step-by-step explanation: all you have to do is multiple 3535 and 77 and it equals 272195