Question

A merchant sells grains, using false weights and thereby gains 25% on his
outlay. What weight does he substitute for one kilogram?
21 If the most price of 55 items is equal to the selling price of 50 items​

Answer 1

Step-by-step explanation:

I don't understand the question why is there 21

Answer 2

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$\large \frac{25}{100}×1kg$

⟹0.25 kg

⟹250g