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A truck is said to get 18 miles per gallon on a highway, but this value can fluctuate,at most, by 4 miles per gallon. Which of the following absolute value inequalitiesmatches this scenario?

Respuesta :

1) Gathering the data

18miles per gallon

at most 4 miles per gallon

2) Based on that, notice that at most 4 miles per gallon is the fluctuation for better or for worse.

Then we can write, for x the number of miles

| x +18 | ≤ 4

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