Respuesta :

Answer:

$490 is the retail price

Step-by-step explanation:

75% = [tex]\frac{3}{4}[/tex]

[tex]\frac{280}{4} = 70[/tex]

[tex]70(3)=210[/tex]

[tex]280+210=490[/tex]

Answer:

490

Step-by-step explanation: