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a pet store owner set the price of a bag of cat food at 50% above the cost. when it did not sell, the price was reduced 20% to 12$ what was the original cost

Respuesta :

hkhenze

Answer:

cost = $10

Step-by-step explanation:

let cost be x

Price = x+ (0.5x)= 1.50x

cost reduced in term of x is 20% of 1.50x

[tex]\frac{20}{100}[/tex] * 1.50x = 0.3x

hence 1.50x - 0.3x = 12

1.2x=12

x= [tex]\frac{12}{1.2}[/tex] = 10

cost = $10

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