Question

37 pens and 53 pencils together costs rs 320 while 53 pens and 37 pencils together Rs 400 find the cost of a pens and that of a pencil

Answer 1

cost of one pen is x rs and cost of one pencil is y rs
so 37x+53y=320.... (1)
53x+37y=400...... (2)
solving (1) and (2)
we get x=6.5, y=1.5
cost of one pen 6.50 rs and cost of one pencil 1.50 rs

Answer 2

Hope it's clear... ☺