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umka2103 [35]
3 years ago
9

Which expression is equivalent to 21 + 49?

Mathematics
2 answers:
sashaice [31]3 years ago
8 0
The answer would be b because 3+7 is 10 and multiple that by 7 is 70. and 20 plus 49 is 70
Debora [2.8K]3 years ago
4 0
It would be the second choice, B. 7(3+7) because when you distribute, you get 21+49, because 7x3=21 and 7x7=49.
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