192k views
3 votes
Look at the pattern below. If the

pattern continues, what will be
the tenth number?
3. 11, 9, 17, 15, 23, 21...

2 Answers

5 votes

First is adding 8 to get the next number then subtract 2 to get the number after.

21 is the 7th number.

8th number = 21 + 8 = 29

9th number = 29-2 = 27

10th number = 27 + 8 = 35

Answer: 35

User Fskj
by
3.0k points
5 votes

Answer:

35

Explanation:

We are adding 8 and then subtracting 2

3, 11, 9, 17, 15, 23, 21

The 8th number is 21+8 = 29

The 9th number

Subtract 2

29-2 = 27

10th number

Add 8

27+8 = 35

User Yann Pellegrini
by
3.3k points