Miranda and Valerie wanted to buy a new blender. Miranda got a blender at a 15% discount and paid $1785 for the blender. Valerie paid for the same blender at $1680. How many percent discount did Valerie get?
Question
Miranda and Valerie wanted to buy a new blender. Miranda got a blender at a 15% discount and paid 1680. How many percent discount did Valerie get?
Solution
Primero, determinemos el precio original del blender que compró Miranda. Sabemos que ella pagó $1785 después de un descuento del 15%.
- Representemos el precio original del blender como .
- El precio después del descuento es .
- Sabemos que .
Para encontrar :
Entonces, el precio original del blender es $2100.
Ahora, determinemos el porcentaje de descuento que obtuvo Valerie. Sabemos que ella pagó 2100.
- El descuento que obtuvo Valerie es .
- Para encontrar el porcentaje de descuento, usamos la fórmula:
Por lo tanto, Valerie obtuvo un descuento del 20%.
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