If a sequence of numbers is such that each number is the sum of the previous two numbers minus one, and the first two numbers are 1 and 2, what is the fifth number in the sequence?4563
Question
If a sequence of numbers is such that each number is the sum of the previous two numbers minus one, and the first two numbers are 1 and 2, what is the fifth number in the sequence?4563
Solution
Sure, let's solve this step by step:
- The first two numbers are given as 1 and 2.
- The third number would be (2+1)-1 = 2.
- The fourth number would be (2+2)-1 = 3.
- The fifth number would be (3+2)-1 = 4.
So, the fifth number in the sequence is 4.
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