There are two different ways she can write on her pages.
With one journal entry
With two journal entries
10 ∗ 2 20
There are **twenty different ways **she can write them in her journal.
Bella can write her 10 journal entries in a total of 89 different ways, considering some pages can have one entry and others two entries. The distribution of entries combines both single and double entry pages in various arrangements. Each scenario is calculated based on the number of pages used for each type of entry.
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