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2 From the 2d of the third month, to the 19th of the eleventh month inclusive, how many days? ans. 263 days. 3 Admit A to be 27 years, 5 months, 2 weeks old; B 25 years; C 20 years, 7 months, 3 weeks, 4 days; D 17 years, 4 days; E and F 14 years, 11 months, 1 week each; G 12 years, 1 month, 6 days; what is the sum of their ages? answer 131y. 11m. 1w.

MOTION OR CIRCLE-MEASURE.

This is used by astronomers, navigators, &c.
The denominations are;

60 seconds (") make

60 minutes

30 degrees

1 minute

1 degree 1 sign

sig

12 signs, or 360 degrees, one revolution, or circle.

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COMPOUND SUBTRACTION. YOMPOUND Subtraction teaches to take one quantity of several denominations from a greater of like quality.

GENERAL RULE.

Place the quantities as in compound addition, with the less under the greater; then begin at the right hand, and take the under from the upper; but when the lower num

ber

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1 From 637lb. 9oz. 8gr. taking 2881b. 10oz. 9dwt. 20gr. what remains ? answer 348lb. 10oz. 10dwt. 12gr. 2 Bought 3 ingots of silver, weighing 204lb. 8oz. 10dwt.

sold two of them weighing 1081b. 6oz. 11dwt. 18gr. the

weight of the other is required?

facit 95lb. 11oz. 18dwt. 11gr.

AVOIRDUPOIS

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1 Bought 45 C. 1gr. 7lb. of sugar? and sold 39 C. 20lb. what remains ?

answer 6C. 15lb. 2 From 17T. 7C. 2qr. taking 12C. 3qr. 9lb. what remains ? answer 167. 14 C. 2gr, 19lb. 3 Bought 6 casks of flour, each weighing 1C. 3qr. 12lb. tare per barrel 1776. how much neat weight?

answer 10C. 26lb. 4 Sold 4 hogsheads of sugar, two of which weighed 37 C. 3qr. gross, tare 8qr. 171b. the other two each 13C. 2qr. 4lb. tare 1gr. 10lb. each; the neat weight is required?

facit 63 C. 2716.

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1 From 5CL. 2M. 1fur. take 19L. 18P. 4yds.

facit 31 L. 2M. 21P. 13yd. 2 Two persons, B and C, being 327 miles distant, and intending to meet, journey as follow: B travels the first day 21.M. 5fur. the second 40M. 26P. the third but 5M. 4fur. C goes the first day 60M. the second 57M. 35P. the third 52 M. 6fur. how many miles have each travelled, and how far are they then asunder?

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facit 105 E. 8gr. Sna.

2 From 856yds. take 200yds. 2qr. Ina. lin.

facit 655yds. 1gr. 2na. lin.‡ 3 From 4 pieces of cloth, each 27yds. 2qr. 3na. having

cut 87 yds. Sqr. 3na, how many yards are left?

answer 22yds. 3gr. Ina,

4 Bought

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