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

Otras preguntas

what positive integer must be included in the set(1, 2 , 4 , 8) so that the new set of five integers have a median that is equal to its mean
1. For which value of x is the expression log base 4 of (x+3) not defined? a. 0 b. -2 c. 3 d. -4 2. If log 7= a, what is the value of log 490 in terms of a? 3.
Tim wants to rent a bike at the state park. It costs $3.95 per hour for the first 4 hours.After 4 hours, the cost is $2.50 per hour. How much would it cost Tim
Given through: (2,4), and slope=4 how do you write the slope-intercept?
Simplify the expression 2b-3a+b+a
What is the average of the first 99 counting numbers?
what is the fraction for 105/100
What dose lowest terms mean
_________ are especially important because they are involved in a variety of processes, such as cell signaling, immune response, and enzyme activity.
Capitalism emerged as an economic force in ___.