The following is the simple solution of the three nines puzzle:—
| 9 + 9 |
|---|
| —— |
| .9 |
To divide 18 by .9 (or nine-tenths) we, of course, multiply by 10 and divide by 9. The result is 20, as required.
Table of Contents
108 .— Plato and the Nines.
288
The following is the simple solution of the three nines puzzle:—
| 9 + 9 |
|---|
| —— |
| .9 |
To divide 18 by .9 (or nine-tenths) we, of course, multiply by 10 and divide by 9. The result is 20, as required.