Question

Amit bought socks and kerchiefs for ₹191 from a utility store. If a pair
of socks costs ₹29 and a kerchief costs ₹19, how many pairs of socks
and how many kerchiefs did he buy?
(Please answer with step by step solution)​

Answer 1

Step-by-step explanation:

let no of pair of socks be x and no of kerchief be y

ATQ

29x +19y = 191. 1

we know that

(x+y)^2 -(x-y)^2 =4xy

Answer 2

1(25a3 -- 27b3)+5a(15b-9b)

this is the answer