# If price of sugar

Let price of 1 kg sugar be x.

Quantity of sugar

If price decreased by Rs. 5,then new price = x – 5

quantity can be

Given, one can buy 1 kg more sugar –

150x – 150x + 750 = x2 – 5x

x2 – 5x – 750 = 0

x2 – (30 – 25)x – 750 = 0

x2 – 30x + 25x – 750 = 0

x(x – 30) + 25(x – 30) = 0

(x – 30)(x + 25) = 0

x = 30 or x = – 25

But price cannot be negative.

x = 30/kg

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