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Rasek [7]
3 years ago
11

The number of milligrams of caffeine (y) in Mr. H's system x hours after his last cup

Mathematics
1 answer:
Elza [17]3 years ago
7 0

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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