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mart [117]
3 years ago
9

Julio spent $40 and now has no money left. He had _before his purchase

Mathematics
1 answer:
ser-zykov [4K]3 years ago
7 0

Answer:

$40

Step-by-step explanation:

If he spent $40 and has none left that means he currently has $0.

If you subtract $40 - b = $0

b = $40

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A cup of coffee has approximately 310 mg of caffeine. Each hour, the caffeine in your system decreases by about 35%. How much ca
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Answer:

∴35.97 mg caffeine would be left in the system after 5 hours.

Step-by-step explanation:

Given that,

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Exponential Function:

y(t)=y_0(1-r)^t

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