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attashe74 [19]
3 years ago
6

Which number sentence below matches this word problem? Two

Mathematics
1 answer:
guajiro [1.7K]3 years ago
6 0

Answer:

12 + 9 = 21

Step-by-step explanation:

because you are finding the total they both had in September, you add. 12 + 9 = 21

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