Respuesta :

Answer:

first one is cheaper

Step-by-step explanation:

1st : 660 * .40 = 264 -> 660 - 264 = 396

2nd : 660 * .30 = 198 -> 660 - 198 = 462 THEN 462 * .10 =

46.2 -> 462 - 46.2 = 415.8

1st one is cheaper.