If you convert those numbers into letters, it spells "Love You".
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21 = (.12)(x) 21 / .12 = x Answer: 175
To calculate half (1/2) of any number, divide that number by 2.
12. you're doing multiples of 3 and the tens and ones places are just reversed in the writing- 3 6 9 12 15 18 21=3 6 9 21 51 81 12
21
If a progression goes 15 __ 21, then the missing number will dictate how the pattern increases with every number. If the missing number is 18, this means that the numbers go up in threes. The pattern would continue 24, 27, 30, 33...
30
9
23
The missing number is 21.
The Answer is 26
22
12 (2x2x3)
10 and 21
17
75
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