# math

A shopkeeper sells a mattress and makes a profit of 10% on the cost price. If he had sold the mattress for \$150 less,he would have incurred a loss of 40% on the cost price. Find the cost price of the mattress.

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2. 👎 0
3. 👁 210
1. 1.1c - 150 = 0.6c
c = 300

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2. 👎 0

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