Question

If the cost of 37 pens and 53 pencils together is 320 rupees ,while 53 pens and 37 pencils together cost 400 rupees . The cost of two pens is :

Answer 1

cost of two pens =13.60

let no of pens =x

no of pencils =y

37x+53y=320.......(1)

53x +37y=400........(2)

by solving we get Ans

Answer 2

Answer:

See the attached image