-26
228
26 - 21 = 5 or 24 - 23 = 1
Composite numbers greater than 20 and less than 30 are 21, 22, 24, 25, 26, 27, 28.
13 + 16 + 18 + 20 + 21 + 26 + 27 + 27 + 28 + 36 + 39 + 42 + 43 = 356
26
26 + 21 = 47
The even whole numbers greater than 21 and less than 28 are: 22, 24 and 26
-26
26. for the pattern: add 10, subtract 5, add 10, subtract 5, ...the series is given as x+10-5so here16+10= 26-5=21+10=31-5=26so next no. is 26262626
-3x + 10x - 5 + 26 = 7x + 21
its like subtracting. so 26-5=21, -26+5=-21 it seems like your subtracting
228
21 22 24 25 26 27 28
26 - 21 = 5 or 24 - 23 = 1
11 is 15 less than 26 (15 + 11 = 26)
Composite numbers greater than 20 and less than 30 are 21, 22, 24, 25, 26, 27, 28.