134 ARITHMETIC. 



EXAMPLES. 



r. How must I sell tea per pound, that cost mc 13s. ^d» 

 to gain at the rate of 25 per cent. ? 



1. 1. s. d. 



ICO ; 125 : : 13 5 ? 

 12 



161 



805 



-522 

 161 



1,00)201,25 

 ■II « » 



12)201 25 



i6s. pd. AV the answer. 

 Or thus : 



4)135. 5d. 

 3 4 



1 6s. 9^d. the same as before. 



2. At 33. 6d. profit In the pound, how much per cent. ? 



Ans. 17I. I OS. 



3. Bought goods at 4-^d. per lb. and sold them at the 

 rate of 2I. 7s. 4d. per cwt. what was the gain per cent. ? 



Ans. 12I. 135. I id. 



4. Bought cloth at 7s. 6d. per yard, which not proving 

 so good as I expected, I am resolved to lose 1 7^ per cent. 

 1-y it : how must I sell it per yard ? Ans. 6s. 2-^d, 



5. If I buy 28 pieces of stuffs at 4I. per piece, and sell 

 1 3 of the pieces at 61. and 8 at 5I. per piece ; at what rate 

 per piece must I sell the rest to gain 20 per cent, by the 

 whole ? Ans. 2I. 6s. 10^. 



6. Bought 40 gallons of brandy at 3s. per gallon, but by 

 accident 6 gallons of it are lost ; at what rate must I sell 

 the^emainder per gallon, and gaiii upon the whole prime 

 cosjp^t the rate of roper cent. ? ' Ans. 3s. io|-d. 



7. Sold 



