By selling a book for ₦258, a publisher gains 20%. For how much should he sell it to gain 30%?

Question

Answer 1

By selling a book for ₦258, a publisher gains 20%. For how much should he sell it to gain 30%?

Explanation

₦258 is 120% of the cost price. Cost price = 258 ÷ 1.2 = ₦215.

For a 30% gain, selling price = 215 × 1.3 = ₦279.50.

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