The Xavier School library had 2,687 books. After 12 cases of new books arrived, ...

October 2022 2 4 Report

The Xavier School library had 2,687 books. After 12 cases of new books arrived, the library then had 9,845 books. How many new books arrived?

$\huge \tt \green {Problem :}$

The Xavier School library had 2,687 books. After 12 cases of new books arrived, the library then had 9,845 books. How many new books arrived?

$\huge \sf \blue{Solution : }$

Before the arrival of the new books there are 2,687 books then the library had 9,845 books.

$\sf b \: = 9845 - 2687 \\ \sf b \: = \: 7158$

Therefore there are 7,158 books

so the 12 cases of the new books contains 596 books each.

Answer:

7 '158 are new books arrived. ..

Step-by-step explanation:

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