Respuesta :
Given :The change in value of one of the cards Rahul has from the previous month was -$0.12. Rahul has 4 identical cards.We need to find the combined change in value of the 4 cards.
Change in value in one card= -$0.12
Change in value in four cards = - $0.12 x4 =-$0.48
Change in total value of cards is $0.48.