Respuesta :

1. $51.96 * 5% = $2.60 +$51.96 = $54.56

2. $26.75 * 10% = $2.68
$26.75- $2.68 = $24.07

3. $10.16 = P * $78.16
P = .13 * 100
P=13%

4. $54.99 * 10% = $5.49
$54.99 + $54.99 -$5.49 = $104.49