neha132005 neha132005
  • 03-01-2019
  • Mathematics
contestada

If 55% of the students in a school are boys and number of girls is 900. Find the number of boys.

Respuesta :

meenunair2005 meenunair2005
  • 03-01-2019

Answer: 1100 boys


Step-by-step explanation:


45% students are girls

45% girls in number = 900

1% be = 900x45= 20

55% students are boys

55% boys in number= 55x20= 1100 boys

Answer Link
jimrgrant1 jimrgrant1
  • 03-01-2019

Answer:

1100

Step-by-step explanation:

The whole school population is represented by 100%, thus

number of girls = 100% - 55 = 45% of population

divide 900 by 45 to find 1% then multiply by 55 to find number of boys

number of boys = [tex]\frac{900}{45}[/tex] × 55 = 1100


Answer Link

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