Respuesta :

$80 = 80%
$1 = 1%
1% x 100 = 100%
100% = $100
The complete cost of the order is $100
She pays 80% ($80)
75% of $100 = $75
80% of $75
10% of $75 = $7.50
$7.50 x 8 = $60
Mia pays $60 shipping charges