Hannah's school hosted a book donation. There are 150150150 students at her school, and they donated a total of bbb books! Hanna
2 answers:
Answer:
Hanna donated b/50 books
Step-by-step explanation:
In this problem, we have:
n = 150 number of students at Hanna's school
b = ? number of total books donated by the students
Also, Hannah has donated 3 times as many as the average number of books each student donated.
The average number of books each student donated can be written as:
And calling
h = number of books donated by Hannah
This means that
Simplifying, this can be rewritten as
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Answer:
8,146 x 121
Step-by-step explanation:
This is a problem in which you need to measure your understading of "orders of magnitude."
If the estimated answer is that means that we are looking at a multiplication in the "order of"
You need to look at the "orders of magnitude" of the things you're multiplying. In the first case, we have that would be "of the order of"
times
. So the whole multiplication would "of the order of"
or near
The correct answer, 8,146 x 121, is because it's "of the order of" times
and the gives us the
we need.