90 ARITHMETIC. 



CASE V. 

 To find the value of a?iy decimal of a pouud h\ inspecthn. 



RULE. 



Double the first figure, or place of tenths, for shillings, 

 and if the second be 5, or more than 5-, recko^n another 

 shilling ; then call the figures in the second and third 

 places, after 5, if contained, is deducted, so many farthings y 

 abating i, when they are above 12 ', and 2, when above 37 j 

 and the result is the answer. 



EXAMPLES. 



I. Find the value of •785I. by inspection. 

 14s. = double 7. 

 IS. for 5 in the place of tenths. 

 8i = 35 farthings. 

 ■- for the excess of 12, abated. 



15s. 8^d. the answer. 



2. Find the value of '8751. by inspection. Ans. I7s.6d. 



3. Value the following decimals by inspection, and find 

 tiieir sum, viz. -9271. + 'SSil' + '203!. + *o<^ih + '021. 

 -j- •oo9h Ans. il. IIS. 5-|d. 



FEDERAL MONET.'' 



The denominations of Federal Aicney^ as dctermnicd by 

 an Act of Congress, Aug. 8, 1786, are in a decimal ratio ^ 

 and, therefore, may be properly introduced In this place. 



A mi 11^ 



* The coins of federal money arc two of gold, four of silver, 

 and two of copper. The gold coins are called an eagle and half- 

 eagle ; the silver, a dollar, half -dollar^ double dime and dime ; and 

 the copper, a cent diV.d half-cent. The standard for gold and silver 

 is eleven parts fine and on-e pari alloy. The weight of fine gold 



in 



