azaria00 azaria00
  • 26-03-2021
  • Mathematics
contestada

There are 80 students in a 8th grade, 20% are boys. How many boys are in 8th
grade?

Respuesta :

MohamedAzaarena
MohamedAzaarena MohamedAzaarena
  • 26-03-2021

Answer:

16 boys

Step-by-step explanation:

Lets go with easy example:

20% of 100 students means 20 students: what is done there

  • We converted 20% to 20/100 so

[tex]\frac{20}{100}*100=20[/tex]

Lets do the same with 80 students as well

[tex]\frac{20}{100}*80=16[/tex]

Answer Link
56p6mgyrsj 56p6mgyrsj
  • 29-10-2021

Answer:

16

Step-by-step explanation:

[tex]\frac{20}{100} x \frac{x}{80} =16[/tex]

or do

80 x 0.20=16

both works

Answer Link

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