9. LAND OR SQUARE MEASURE. acres. roods. rods. acres. roods. roas. sq.ft. sq. in. 478 816 49 63 3213 3 9 3 31 856 2 18 5 136 COMPOUND SUBTRACTION TEACHES to find the difference, inequality or excess between any two sums of diverse denominations. RULE. Place those numbers under each other, which are of the same denomination, the less being below the greater, begin 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 difference add the upper figure, remembering always to add one to the next superior denomination for that which you borrowed. NOTE. The method of proof is the same as in simple subtraction. 12. Borrowed 277. 11s. and paid 19l. 17s. 6d. how much remains due ? Ans. £7 13s. 6d. 13. How much does 3171. 6s. exceed 1787. 18s. 51d. ? Ans. £139 7s. 63d. 14. From eleven pounds take eleven pence. Ans. £10 19s. 1d. Ane £181 28 51c 15. From seven thousand two hundred pound, take 187 17s. 6d. ! 16. How much does seven hundred and eight pounds, exceed thirty-nine pounds, fifteen shillings and ten pence halfpenny? Ans. £668 4s. 11d. 17. From one hundred pounds, take four pence halfAns. £99 19s. 71d. penny. 18 Received of four men the following sums of money, viz. The first paid me 377. 11s. 4d. the second 251. 168 7d. the third 19l. 148. 6d. and the fourth as much as all the other three, lacking 19s. 6d. I demand the whole sum received? Ans. £165 58. 4d. |