| Answer | Crossword Clue |
|---|---|
| EVEN | Like 10, 20 and 30 |
| NOS | 10,20,30, etc. |
| SORER | Like a Tour de France rider on day 20 vis-a-vis day 10 |
| electrum | alloy composed of about 50 percent copper, 30 percent nickel, and 20 percent zinc |
| shortwave | A radio wave of a wavelength between about 10 and 100 m (and a frequency of about 3 to 30 MHz) |
| PACKRATIOS | 20 cigarettes per unit and 10 units per carton, e.g.? |
| by | ed as a function word in multiplication, in division, and in measurements divide a by b multiply 10 by 4 a room 15 feet by 20 feet |
