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The number of milligrams of caffeine (y) in Mr. H's system x hours after his last cup
of coffee for the day is represented by the equation y = 40 – 8.5x. Predict
the amount of caffeine in Mr. H's system 4.5 hours after his last cup of coffee for the
day.

The number of milligrams of caffeine (y) in Mr. H's system x hours after his last cup of coffee for the day is represented by the equation y = 40 – 8.5x. Predic class=

Answer :

gavinjchiu

Answer: y=1.75

Step-by-step explanation:

STEP 1:

y=40-8.5x

Substitute x for 4.5.

y=40-38.25

STEP 2:

Simplify.

y=1.75

Hope this helps :)

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