kadenshay22 kadenshay22
  • 07-01-2020
  • Mathematics
contestada

20% of the students are in one room, 4 students in another, and 20 in the other. How many students total

Respuesta :

josshyaby
josshyaby josshyaby
  • 07-01-2020

Answer:

30/students

Step-by-step explanation:

Let the number of students be x

(20% of x) + 4 + 20 = x

20/100x +24 = x

Multiply each term by 100

20x + 2400 = 100x

100x - 20x = 2400

80x = 2400

x = 2400/80

x = 30

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