4210157
4210157 4210157
  • 24-01-2022
  • Mathematics
contestada

pleaseeeeeeeeeeeeeeeeeeeeeee helpppppppppppppppppppp

pleaseeeeeeeeeeeeeeeeeeeeeee helpppppppppppppppppppp class=

Respuesta :

lamp4278 lamp4278
  • 24-01-2022

Answer:

20 boys and 28 girls I think.

Step-by-step explanation:

7x-5x=8

2x=8

x=4

Answer Link
Tamrighthere
Tamrighthere Tamrighthere
  • 24-01-2022
We suppose that
The number of boys : x
The number of girls : y
There are 8 more girls than boy => y-8=x (1)
The ratio of boys to girls is 5:7 => x/y= 5/7 (2)
Replace (1) to (2) , then we have :
(y-8)/y=5/7
<=> y= 28
=> x = y-8= 28-8= 20
Good luck!
Answer Link

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