16 2. TBOP VEIGHT. lb. oz. pui. gr. 8 11 *19 21 6 10 16 8 8 8 19 14 7 8 17 21 6 9 14 17 4 6 B 29 10 9 7 14 17 12 9 13 10 17 10 12 cwt. gr. II. 2 1 1 2 26 6 1 13 3 S 15 6 16 S. AVOIRDUPOIS WEIGHT. 2 24 13 9 0 17 11 3 19 14 12 11 12 12 na 19 11 11 1 17 S 2 9 6 1 17 4 0 16 5 S 12 10 4. APOTIECARIES VEIGHT. fb 5 3 gr. 10 do y 2 19 1 15 SO 4 9 19 1 9 10 i 16 9 5 2 12 4 8 1 13 6.1 0 16 9 0 0 1 10 19 9 2 1 6 6. DRY MEASURE. bu. pk. qt. bu. plc.qt.pt. 25 31 64 2 6 1 43 0 4 0 52 3 5 1 94 2 3 0 54 3 7 0 . WINE MEASURE. 14 ņi 24 S 0 1 19 1 00 S 1 tun. hhd. gal.ot. 34 2 34 2 19 1 59 1 28 2 0 52 % 37 3 11 1 90 10 041 1 COS 0 9. LAND OR SQUARE MEASURE. ücresirools.ods. acres.:'oods.rods. soft. sg.in. 478 S S: 356 1S 5 136 816 17 6 129 49 1 9 1 S9 8 154 S4 1 3 00 0 143 9 S 57 2 27 4 34 COMPOUND SVBD'AUIION. 45 Y. mm. w. da. $7 11 3 6 11. TIME. 3 0 2 3 Vr. da h. n. Sex. 40 12 40 24 24 8 16 13 1 12. CIROULAR MOTION. Sa . S. 3 29.17 14 11 29 59 59 1 6 10 17 0 00 40 10 € 18 17 11 0 4 10 49 6 14 18 10 4 11 6 10 COMPOUND SUBTRACTION, TEACHES to find the difference, inequality or excess, between any tyo sums of diverse denominations, RULE. Place those numbers under cach other, which are of the same denomination, the less being below the greater; Degin with the least denomination, and if it exceed the figure over it, borrow as many units as make one of the next greater; subtract it therefrom; and to the differerte add the upper figure, remembering always to add one to the dext superior denomination for that which you horrmuert. Note. The method of proof is the same as in simple subtraction. 12. Borrowed 271. 11s. and paid 191. 173. 6d. how much remains due ? Ans, f7 15s. 6d. 19. How much does $171. 6s. exceed 1781. 18s. 54d.? Ans. £158 7s.6d. 14. From eleven pounds take eleven pence. Ans. £10 19s. 1d. 15. From seven thousand two lundred pounds, take 181. 175. 6hul. Ans. £718i 2s. 51d. 16. How much does seven hundred and cight pounds, exceed thirty-nine pounds, fifteen shillings and ten pence halfpenny ? Ans. 4,668 4s. 11d. 17. From one hundred pounds, take four pence halfpenny. Ans. ,99 19s. 71d. 18. Received of four men, the following sums of money, viz. The first paid me 371. 115. 4d. the second 25l. 16s. 7d. the third 191. 14s. 6d. and the fourth as much as all the other three, lacking 19s. 6d. I demand the whole gum received ? Ans. £165 5s. 4d. 2 6 8 AVOIRDUPOISE WEIGHT 5 12 I 12 1 19 10 9 |