Question

EXERCISE 3.2
1. Form the pair of linear equations in the following problems, and find their solutions
graphically
(1) 10 students of Class X 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​

Answer 1

Answer:

boys = 3

girls = 7

Step-by-step explanation:

girls = a

boys = a

therefore girls is 4 more than boys so = a+4

a+4+a = 10

2a+4 = 10

a= 3 means

boys = 3

girls =7

Answer 2

Answer:

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