Education > Complete treatise on practical arithmetic and book-keeping

RULE-OF-THItEE IN DECIMALS.
% Reduce 19J17.? 3^ to l. Ans. -I9-8635416G, &c.
3. Reduce 15s to the decimal of a l. Ans. -77^
4. Reduce “i\d to the decimal of a shill. Ans. *625
5. Reduce 5 oz 12 dwts 16 gr to lbs.
Ans. ’46944, &c. 1:
6. Reduce 3 cwt 2 qr 14 lb to cwts. Ans. 3’625 c\v
7. Reduce 17 yd 1 ft 6 inc to the decimal of a mile. ]■
Ans. -0099431818, &c. m [-
8. Reduce 2 qrs 3 nls to the decimal of a yard.
Ans. -6875 yj l
9. Reduce 13 ac 1 ro 14 pol. to acres. Ans. 13’3375 ac
10. Reduce 13 g'al 1 pint of wine to the decimal of a hh ;
Ans. -20833, &c. hh. [,
11. Reduce 3 bush 1 peck t»o the decimal of a quarter.
Ans. -40625 q
12. Reduce 3 mo 1 we 5 da to months.
Ans. 3-42857 + mo:
!
RULE-OF-THREE IN DECIMALS
Reduce yuig ar fractions to decimals, and compouil
numbers either to decimals of 'the higher names, or ,
integers of the lower, as also the first and third to t
same name: Then state the question, and proceed as]
integers. *
Note. Any of the convenient examples in the Ruie-of-Three or Rul >
of-Fivein integers, or vulgar fractions, may be taken as proper exa:
pies to the same rules in decimals ; for jt would be filling the Book; I
ill purpose to give different examples here.—The following examp]
Which is the first in vulgar fractious, is wrought here to shew the mcth« ^
If | of a yard of velvet cost |7, what will yd cost ? i t
yd 1 yd 1 s d
£ = •375 -375 : -4 : : -3125 : -333, &c. or 6-8 3
•4
*=,-41 -375)-12500 (-333333, &c.
1250 20
J,= -3125 125i'. 6-66666, &c.
12
Ans. 6< 8d
d. 7-99999, &c.= 8d.