124 ARITHMETIC. 



EXAMPLES. 



I. Gross I73cwt. 3qrs. 171b. tare i61b. per cwt. how 

 much net ? 



cwt. qrs. lb. 



173 3 17 gross. 



r4lb. is ^ 21 2 26 

 2lb. is 4 3 o II 



24 3 9 



149 o 8 the answer. 



2. What is the net weight of 7 barrels of pot-ash, each 

 weighing 20 lib. gross, tare being at lolb. per cwt. ? 



Ans. 1 28 lib. 60Z. 



3. In 25 barrels of figs, each 2c wt. iqr. gross, tare i6ib, 

 per cwt. how much net ? Ans. 48cwt. 241b, 



CASE III. 



When Trett is allowed *with Tare^ 



RULE. 



Divide the suttlc weight by 26, and the quotient is th§ 

 trett, which subtract from the suttle, and the remainder i^ 

 the net weight. 



EXAMPLES. 



I. In pcwt. 2qrs. 171b. gross, tare 371b. and trett a^ 

 usual, how much net ? 



cwt. qrs. lb. 

 92 17 gross. 

 019 tare. 



26)9 o 8 suttle. 

 1 II trett. 



8 2 25 the answer. 

 2. In 7 casks of prunes, each weighing 3cwt. iqr, 51b, 

 gross, tare 1771b. per cwt. and trett as usual, how much 

 net ? Ans. i8cwt. 2qrs. 251b. 



3. What' 



