91 is the number because 7x10 =70 +21=91
It depends on how many groups one thing that helps is if you draw circle as the group and add one tally to each of them till you hit 24 then you habe your answer
Answer:
-5.2; -4.75; -9/2
Step-by-step explanation:
87.2 - 25.9 = 87.2 - 26 = 61.2 + 0.1 = 61.3
Answer:-14, -26
Step-by-step explanation:
13-4=9
4-9=-5
From here you can see that the pattern is -9
-5-9=-14
23. is -14
16-2=14
2-14=-12
From here you can see that the pattern is -14
-12-14=-26
24. is -14