Form the pair of linear equations in the following problems

Last updated: 7/27/2023

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 Rs 50 whereas 7 pencils and 5 pens together cost Rs 46 Find the cost of one pencil and that of one pen