avaryan84
02.06.2021 •
Mathematics
Students sold 60% of the books
donated to the book sale. They sold
: 45 books. How many books were
donated in all?
Solved
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Ответ:
27
Step-by-step explanation:
Ответ:
Her method will produce a valid sample.
Her method will produce a random sample.
Her method will produce a representative sample.
Step-by-step explanation: