Question

i) 5 pencils and7 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

Answer:

Pencil - Rs.3 Pen - Rs.5

Explanation:

Since the point of intersection is (3,5), Hence, the cost of one pencil is Rs. 3 and the cost of one pen is Rs. 5.

Answer 2

l used substitution method

hope its helpful