Question

Please solve this.......​

Answer 1

Answer:

answer 7

total students =x

girls =3/7 of x

boys = 240

3/7x +240= x

3/7x-x=240

3x-7x/7 =240

-4x = 240×7

-4x = 1,680

x = -1680/4

x = -420

Step-by-step explanation:

x =-420