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Leno4ka [110]
3 years ago
10

A book store is having a 30% off sale. Diary of a Wimpy Kid books are now $6.30 each. What was the original price of the books?

Mathematics
1 answer:
sveta [45]3 years ago
6 0

Answer:21

Step-by-step explanation:

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Answer:

A.

Step-by-step explanation:

From the given information:

If A = m × n matrix

where;

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