Question

EXERCISE 3.2
1. Form the pair of linear equations in the following problems, and find their solutions
graphically.
(i) 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.
(ii) 5 pencils and 7 pens together cost * 50, whereas 7 pencils and 5 pens together
cost * 46. Find the cost of one pencil and that of one pen.​

Answer 1

$\huge {\red {\ddot {\smile }}} {\huge {\pink {\ddot \smile}}} {\huge {\purple {\ddot {\smile}}}} {\huge {\orange {\ddot {\smile }}}} {\huge {\blue {\ddot {\smile}}}} {\huge { \red{...hlo}}}$

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Answer 2

this is for part I)

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