a store sells gift cards in preset amount. You can purchase gift cards for $20 or $30 . You spent $380 on gift cards. let x be the number of gift cards for $20 And let y be your gift cards for $30 . Write an equation in standards for to represent this situation

Respuesta :

Y * 30 = 180 + x * 20 = 200
in other words You bought  6 $30 dollar gift card which equals 180 and u bought 10 $20 gift cards which equals 200. 

180 + 200 = 380 
:D