Respuesta :
total discount = 20%+10%=30%
original price of the smartphone = $600
30% of 600= 30/100*600
=180
so total discount is $180
The price after discount = 600-180=420 $
total discount = 20%+10%=30%
original price of the smartphone = $600
30% of 600= 30/100*600
=180
so total discount is $180
The price after discount = 600-180=420 $