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olga_2 [115]
3 years ago
5

20 POINTS HELP FAST

Mathematics
2 answers:
olga nikolaevna [1]3 years ago
3 0

Answer:

the answer is 20/72 = x/480 . this is because u have to add the numbers for the first sample to find the sample size and then make a ratio to determine if the sample size increases to 480 .

Alenkinab [10]3 years ago
3 0

Answer:

its D.

Step-by-step explanation:

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