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GraceLove30 GraceLove30
  • 14-02-2017
  • Mathematics
Answered

Which expression is equivalent to 21 + 49?


A 7(3 + 49)


B 7(3 + 7)


C 7(14 + 42)


D 7(14 + 49)

Verified Answer :

savagesavvy1
savagesavvy1 savagesavvy1
  • 14-02-2017

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

Answer Link
jodeelhyn
jodeelhyn jodeelhyn
  • 14-02-2017

It would be the second choice, B. 7(3+7) because when you distribute, you get 21+49, because 7x3=21 and 7x7=49.

Answer Link

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