21 + (4 x 2) = 29
(21 + 4) x 2 = 50
24
Take the penny a day doubled every day. The sum would be almost 43,000,000.
$21,474,836.48
3 & 7? Sum 10, difference 4 so ratio 5:2 or 1 & 21? Sum = 22, difference 20 so ratio 11:10
20, 21, 22 and 23.
24
The two numbers that sum to -4 and have a product of -21 are -7 and 3. When added together, -7 + 3 equals -4, and when multiplied, -7 × 3 equals -21.
4 doubled is 8.
17 and 4: sum is 21.
The X Files - 1993 Zero Sum 4-21 is rated/received certificates of: Argentina:13
Take the penny a day doubled every day. The sum would be almost 43,000,000.
40 + 44 = (10 x 4) + ( 11 x 4) = 21 x 4 = 84
21
The sum of -4 and -17 is -21.
The sum of 21 and 12 is 33.
$21,474,836.48
If one dimension of a 3-dimensional shape is doubled, the volume increases by 21 = 2. If two dimensions of a 3-dimensional shape are doubled, the volume increases by 22 = 4. If all three dimensions of a 3-D shape are doubled, the volume increases by 23 = 8.