1.

s and 10%. The(b) R 375(c)R 360(d) ? 400Atrader wishes to gain 20% after allowing 10% discount on the marked price to his customers. At whatper cent higher than the cost price must he mark his goods?(a) 30(b) 3323(c) 34(d) 353

Answer»

Let the increased rate be x. Then, (100+20)/100 * cost = ((100+x)/100)*(90/100)*cost=> 6/5= (100+x/100)*(9/10)=> 100+x = 600/5 * 10/9=> 100+x = 400/3=> x = 400/3 - 100=> x =100/3 =33(1/3)%

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