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Pam and Fiona wanted to buy gifts for their parents. Pam bought a coffee machine at $1472 after a 8% discount. Fiona bought the same coffee machine at $1408. What was the percentage discount given to Fiona?

Question

Pam and Fiona wanted to buy gifts for their parents. Pam bought a coffee machine at 1472aftera81472 after a 8% discount. Fiona bought the same coffee machine at 1408. What was the percentage discount given to Fiona?

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Solution

Primero, determinemos el precio original de la cafetera que compró Pam antes del descuento del 8%.

Pam pagó $1472 después de un descuento del 8%. Esto significa que pagó el 92% del precio original (100% - 8% = 92%).

Podemos usar la siguiente fórmula para encontrar el precio original (P):

1472=P×0.92 1472 = P \times 0.92

Despejamos P:

P=14720.92 P = \frac{1472}{0.92}

P=1600 P = 1600

El precio original de la cafetera es $1600.

Ahora, determinemos el porcentaje de descuento que recibió Fiona. Fiona pagó $1408 por la misma cafetera.

Primero, calculemos la cantidad de descuento que recibió Fiona:

Descuento=Precio OriginalPrecio Pagado Descuento = Precio\ Original - Precio\ Pagado

Descuento=16001408 Descuento = 1600 - 1408

Descuento=192 Descuento = 192

Ahora, calculemos el porcentaje de descuento:

%Descuento=(DescuentoPrecio Original)×100 \% Descuento = \left( \frac{Descuento}{Precio\ Original} \right) \times 100

%Descuento=(1921600)×100 \% Descuento = \left( \frac{192}{1600} \right) \times 100

%Descuento=0.12×100 \% Descuento = 0.12 \times 100

%Descuento=12% \% Descuento = 12\%

Por lo tanto, el porcentaje de descuento que recibió Fiona es del 12%.

This problem has been solved

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