18
This rule is obsolete in business. When a bill, for instance, of £100 having a year to run, is discounted (as people now say) at 5 per cent, this means that 5 per cent of £100, or £5, is struck off.
19
This question does not at first appear to fall under the rule. A little thought will serve to shew that what probably will be the first idea of the proper method of solution is erroneous.
I. ON THE MODE OF COMPUTING.
1
The teacher will find further remarks on this subject in the Companion to the Almanac for 1844, and in the Supplement to the Penny Cyclopædia, article Computation.
APPENDIX III. ON SCALES OF NOTATION.
1
And at discretion one hundredth more for a large fraction of three inches.
APPENDIX VI. ON DECIMAL MONEY.
1
The student should remember all the multiples of 4 up to 4 × 25, or 100.