Question

Number of boys and girls in a class are in the ratio 7:5 . the number of boys is 8 more than the number of girls. Find the
total strength.​

Answer 1

Answer:

48 students

Step-by-step explanation:

5x + 8 = 7x

8 = 2x

x = 4

7 into 4 = 28

5 into 4 = 20

therefore total strength = 48 students

Answer 2

Let,

The number of boys = 7x and the number of girls =5x. =

According to the condition,

7x = 5x + 8

2x = 8

X = 4

Therefore The number of boys 7x 7 x 4 = 28 and = the number of girls =5x = 5 x 4 = 20.

Therefore total strength of the class 28 + 20 = 48