Respuesta :

savagesavvy1
the answer would be b because 3+7 is 10 and multiple that by 7 is 70. and 20 plus 49 is 70
jodeelhyn
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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