I bought a notebook for 18, at what price should I sell to gain 11 1/9%?
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Answer:
He should sell that notebook at 20.
Step-by-step explanation:
Selling Price = Cost price + Gain
=> Selling Price = 18 + 11 1/9 % of 18
=> Selling Price = 18 + 100/900 × 18
=> Selling Price = 18 + 2 = 20
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