Question 389868
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Hi,  
270 people in the class     
Let x and (270-x) represent the number of men and women respectively
 questions States***
men/women = 5/4 = x/(270-x)
{{{5/4 = x/(270-x)}}} Cross mulitply to solve for x
 5(270-x) = 4x
 5*570 - 5x = 4x
      5*570 = 9x
        150 = x, the number of men. 120 women in the class.    (270-150)

CHECKING our Answer
  150/120 = 5/4