Question

》 10 students of class 10th took part in a mathematics quiz . if the number of girls is 4 more than the number of boys , find the number of boys and girls who took part in the quiz .




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Answer 1

Answer:

no of girls = 7

no of boys = 3

Step-by-step explanation:

let the number of boys be 'x'

and the number of girls be 'y'

number of girls : y= x+4

x= y-4

let us form the linear equation

total number of students participated = 10

i.e. x+y = 10 (x=y-4)

y-4+y=10

2y-4=10

2y= 14

y = 14/2

y= 7

number of girls = 7

number of boys (x)= y-4

= 7-4=3