31. If x = 5, which number sentence is true?
2 answers:
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Answer:
Step-by-step explanation:
Given:
Sam takes x minutes yo walk from home to library.
And takes 5 minutes more to walk from the library to school than from home to the library.
Express the total time taken for Sam to walk from home to school via the library in terms of x.
<u>Solution:</u>
Time taken by Sam to walk from home to library =
Time taken by Sam to walk from library to school =
Total time taken by Sam to walk from home to school via the library = Time taken to walk from home to library + Time taken to walk from library to school
Total time taken =
Therefore, the total time taken for Sam to walk from home to school via the library is