karleighgiles117 karleighgiles117
  • 19-07-2022
  • Mathematics
contestada

The ratio of girls to boys at a party is 5:4. if there are 20 girls in the class, how many boys are there.

Respuesta :

mhanifa
mhanifa mhanifa
  • 19-07-2022

Answer:

  • 16 boys

==========================

Let the number of boys be b and girls be g.

The ratio is:

  • g/b = 5/4

And the number of girls is:

  • g = 20

Substitute the number into ratio and find the value of b:

  • 20/b = 5/4
  • b = 20*4/5
  • b = 16
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