the number is 18
12 and 18 have three factor pairs.
Pairs with common factors other than 1.
21.2
Yes, twenty three is less than twenty eight.
23.9
3
Let's see . . . -- "Three tenths" is less than one. -- "Twenty-four and etc." is more than twenty-four. The first one looks like less. The second one looks like more.
- 280 1000 Or: negative two hundred and eighty thousandths is three tenths less than twenty thousandths.
12 and 18 have three factor pairs.
Twenty hundreds is equal to 2000. Three tenths of 2000 is 600 (since 2000 × 0.3 = 600). Therefore, three tenths less than twenty hundreds is 2000 - 600, which equals 1400.
12 or 18
24.20-0.3 is 23.9