The equation of the number of pages Stephanie still needs to read will be n + 45 = 120. Then the correct option is A.
The missing options are given below.
A. n + 45 = 120
B. n - 45 = 120
C. 45ⁿ = 120
D. n/45 = 120
The analysis of mathematical representations is algebra, and the handling of those symbols is logic.
Stephanie read 45 pages from a book of 120 pages.
Let n be the number of remaining pages.
Then the equation, we have
n + 45 = 120
Then the correct option is A.
More about the Algebra link is given below.
https://brainly.com/question/953809
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