Question

Form the pair of linear equations in the following problems, and find their solutions
graphically
n 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
1) 5 pencils and 7 pens together cost? 50, whereas 7 pencils and 5 pens together
cost 16. Find the cost of one pencil and that of one pen.​

Answer 1

Answer:

but my class 8 I am very sorry

Answer 2

Answer:

i do not know

Step-by-step explanation: