 
 <prompt> Two white socks dey cost 25 kobo pass one brown sock. If two white socks dey cost 45 kobo, how much you go pay for 15 brown socks? <response>: Two white socks cost 25 cents more than one brown sock, meaning say one brown sock dey sell for $0.45-$0.25=$0.20
The cost to buy 15 brown socks na 15*$0.20=$3

Answer na 3. 