Question

in a school 2/7th part of the students are girls if the number of boys is 280,find the number of girls?​

Answer 1

Answer:

392

Step-by-step explanation:

let the total number of students be x

according to question

x - 2/7 of x = 280

x - 2/7 x = 280

5/7x = 280

x= 280 x 7/5

x= 56 x 7

x = 392