SOLUTION: Chris runs a barber's shop. It costs him £20 per day to cover his expenses and he charges £4 for every hair cut.
(a) Explain why his profit for any day is £ (4x -20) , where X i
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Question 1116908: Chris runs a barber's shop. It costs him £20 per day to cover his expenses and he charges £4 for every hair cut.
(a) Explain why his profit for any day is £ (4x -20) , where X is the number of haircuts in a that day .
He hopes to make at least £50 profit per day , but does not intend to make more than £120 profit.
(b) write down an inequality to describe this situation.
(c) solve the inequality.
Answer by josgarithmetic(39625) (Show Source): You can put this solution on YOUR website!
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(a) Explain why his profit for any day is £ (4x -20) , where X is the number of haircuts in a that day .
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Profit is Revenue minus Cost.
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He hopes to make at least £50 profit per day , but does not intend to make more than £120 profit.
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In a simpler way, only allowing that no fraction of a haircut,
.
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