Hannah's school hosted a book donation. there are 150 students at her school, and they donated a total of b books! hannah donated 3 times as many as the average number of books each student donated.
how many books did hannah donate?
write your answer as an expression.

Step-by-step explanation:

Let x = number of books that Hannah donated

We know that the number of students is 150 and the total number of books is represented by b, we can write that as:

Average number of books donated by each student =

Now we know that Hannah donated 3 times as much as the average. We can write that as:

{3 + i, 3 - i, 3, -1}

step-by-step explanation: