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THE NEW STUDENT'S REFERENCE WORK
2191
State rapidly the decimal equivalents :
Place in center circle any per cent, as 12 J, 33|, 20, etc.
Have pupils perform work mentally when possible, and be ready with answers in a limited time.
Repetition in this work will assure accuracy and great speed.
The examples in percentage may be classified under one of the three following principles:
I. To find a given per cent of a number. II. To find*what per cent one number is of another. III. To find a number when a percentage of it is given.
State rapidly the fractional equivalents of the following % 's:
