Which equation shows how to rewrite the sum of 42 and 54 using their greatest common factor?
A. 54+42=6(9)+2(14)
b. 54+42=3(18+14)
c. 54+42=4(8)(3)
d. 54+42=6(9+7)
3 answers
d. 54+42=6(9+7)
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