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Angelina_Jolie [31]
3 years ago
7

What is the value of a in the equation , when ? 3 15 21 39

Mathematics
1 answer:
kupik [55]3 years ago
8 0

Answer:

the mean =19.5

Step-by-step explanation:

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Step-by-step explanation:

note- 8 pints = 1 gallon

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