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The school's total attendance is 449, there are 81 present in math class, what percent of the total attendance is the attendance in the math class (to the nearest tenth)? 6% 18% 55% 82%

Respuesta :

100%/x%=449/81
(100/x)*x=(449/81)*x       - we multiply both sides of the equation by x
100=5.5432098765432*x       - we divide both sides of the equation by (5.5432098765432) to get x
100/5.5432098765432=x 
18.04008908686=x 
x=18.04008908686
  1) Percentage = (Math Class / Total Attendance) x 100 

thus.. Percentage = 81 / 449 = 0.18 x 100 = 18% 

2. 1/8 x 6 = 6/8ths = 6 pieces of cake 

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