[" (a) Relss "],[" 5books and 7pens together cost Rs.79whereas 7books and 5pens together cost Rs.77.Find the total cost of "],[" 1book and 2pens.(d) None of these "],[" (hyedn "]

5 books and 7 pens together cost Rs 79 whereas 7 books and 5 pens together cost Rs 77. Find the total cost of 1 book and 2 pens.

5 books and 7 pens together cost Rs 79 whereas 7 books and 5 pens together cost Rs 77. Find the total cost of 1 book and 2 pens.

5 books and 7 pens together cost Rs 434, whereas 7 books and 5 pens together cost Rs 550, find the total cost of 1 book and 2 pens.

3 bags and 4 pens together cost Rs 257 whereas 4 bags and 3 pens together cost Rs 324. Find the total cost of 1 bag and 10 pens.

3 bags and 4 pens together cost Rs 257 whereas 4 bags and 3 pens together cost Rs324. Find the total cost of 1 bag and 10 pens.

3 books and 10 pens together cost Rs 300. 2 books and 3 pens together cost Rs 145. Find the cost of 1 book and 3 pens.

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.

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

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

A situation is given. Represent it in the form of linear equations. 5 books and 7 pens together cost Rs 79 whereas 7 books and 5 pens together cost Rs 77. Here consider cost of each book as Rs x and that of each pen as Rs y.