9. LAND OR SQUARE MEASURE.

acres. roods. rods. acres. roods. rods.

478

816

49

63

9

32133

31

856

2

18

sq. ft. sq. in. 5 136

3

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 271. 11s. and paid 19l. 17s. 6d. how much remains due?

Ans. £7 13s. 6d.

13. How much does 3177. 6s. exceed 1787. 18s. 54d.?

Ans. £138 7s. 63d

14. From eleven pounds take eleven pence.

Ans. £10 19s. 1d.

Ans £7181 2s. 5jd.

15. From seven thousand two hundred pounds, take 18 178.61d.

16. How much does seven hundred and eight pounds, exceed thirty-nine pounds, fifteen shillings and ten pence halfpenny? Ans. £668 4s. 1d.

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 377. 11s. 4d. the second 25l. 16s. 7d. the third 197. 14s. 6d. and the fourth as much as all the other three, lacking 19s. 6d. I demand the whole sum received ? Ans. £165 5s. 4d.