Question

In a class of 49 students number of girl is 2 by 5 of the boys. Find the number of boys in the class.​

Answer 1

Step-by-step explanation:

Let x be the no. of boys

Therefore, no. of girls=2/5x

Given: no. of students=49

According to the question,

2/5x+x=49

7x/5=49

7x=49×5

x= 245/7

x=35

Hence, no. of boys=35

Answer 2

Answer:

Then the number of girls will be 2/5 of the boys = 2/5 * x. Given that Total number of students = 49. x = 35. Therefore the number of boys in the class = 35.