how much more did briana save by purchasing a backpack that cost $45 with a sales promotion of 20% off…

how much more did briana save by purchasing a backpack that cost $45 with a sales promotion of 20% off instead of a backpack that cost $42 with a sales promotion of 10% off?\n$1.80\n$3.00\n$4.80\n$6.90

how much more did briana save by purchasing a backpack that cost $45 with a sales promotion of 20% off instead of a backpack that cost $42 with a sales promotion of 10% off?\n$1.80\n$3.00\n$4.80\n$6.90

Answer

Explanation:

Step1: Calcula el descuento del primer mochila

El descuento es el 20% de 45. Usamos la fórmula $descuento = porcentaje\times precio$. Entonces, $0.20\times45 = 9$.

Step2: Calcula el descuento de la segunda mochila

El descuento es el 10% de 42. Usando la misma fórmula, $0.10\times42=4.2$.

Step3: Calcula la diferencia de descuentos

Restamos el descuento de la segunda mochila del descuento de la primera. $9 - 4.2=4.8$.

Answer:

$4.80$