Respuesta :
Step-by-step explanation:
Let the price of the DVD be x and the price of the TV be y
y=2x
x+y = 1260
substitute y
x+2x = 1260
3x = 1260
x = 420( DVD)
TV = 2(420)
= 840
Answer:
TV= 840
DVD= 420
Step-by-step explanation:
x + 2x = 1260
3x = 1260 / :3
x = 420
TV= 840
DVD= 420