Continue the sequence: 3, 7, 12, 18. The added number increases by 1 each time. What comes next?
Show hints
- Find the differences between neighboring numbers.
- After adding 6, use an increase of 7.
Show the answer and solution
Answer: 25
The increases are 4, 5, and 6. The next increase is 7, so 18 + 7 = 25.