67557 67557
  • 25-03-2022
  • Mathematics
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Hello I need help really quick, it's about percentages

Hello I need help really quick its about percentages class=

Respuesta :

xsumbellx xsumbellx
  • 25-03-2022
30 students total, 12 boys

18/0.6 = 30
30-18=12
To check answer: 30*0.4 = 12
Answer Link
aixamendoza49
aixamendoza49 aixamendoza49
  • 25-03-2022

Answer:Let x be the total number of students in the class.

60% of x = ? (number of girls)

40% of x = 18 ( number of boys)

therefore, (2/5)x=18

x=45 ( Total number of students)

Answer Link

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