Respuesta :

pizzas7906

Answer:

3200

Step-by-step explanation:

So, 640 is 20% of this total

To find the total, first do 640 × 100 = 64000

Then do 64000 / 20 = 3200

To check, do 3200 * (20 / 100) = 3200 * 0.2 = 640

It checks out, so the price before the decrease was 3200

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