\fdO'^ - Old Forge Coal Mines

84 ARITHMETIC.
{c) First perform the operations indicated by the signs
between the numbers enclosed by the parenthesis, and then
perform whatever may be required by the sign
before the
parenthesis.
Multiply together the numbers 2.7 3 1.8 5
and 31.85. 2.7
The parenthesis shows that .316 is
2 2 2 9 5
to be taken from 3.16. 3.160 6370
.316
85.995
2.8 4 4
The product obtained by the first
operation is now multiplied by the 8 5.9 9 5
remainder obtained by performing 2.8 4 4
the operation indicated by the signs „
within the parenthesis. o a oc^on
o 4 o 9 o
687960
171990
{d) (107.8 + 6.541 - 31.96) X 1.742
107.8
+ 6.541
114.341
— 31.96
82.381
X 1.742
164762
329524
676667
82381
14 3.507 7 02 Ans.
(72) {a) (l_.1.3)x. 625 + 1=?
2 4 4.5 6 9 780 Ans
First perform the operation indicated by the parenthesis.