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tiny-mole [99]
3 years ago
10

I need HELP ASAP

Mathematics
1 answer:
maxonik [38]3 years ago
3 0

Answer:

-15 is how many tests per hour i think, and 78 is how many tests total

Step-by-step explanation:

= 78 − 15ℎ

1 hour would be

78-(15x1)=63

2 hours would be

78-(15x2)=48

and so on.

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Answer:

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Step-by-step explanation:

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