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5. A shopkeeper earns a profit of? 2 by selling a new register and incurs a loss of 1.20 per register of oldstock. In a particular day he incurs a loss of R 4, he sold 10 new registers. How many old registers did hesell on that particular day? |
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Answer» Let the old registers sold be xso10*2-1.2x= -4-1.2x= -24x=-24/1.2= 20 |
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