Answer :

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Answer:

A. 30(3 + 2)

Step-by-step explanation:

90 + 60

90 = 2 · 3 · 3 · 5

60 = 2 · 2 · 3 · 5

GCF(90, 60) = 2 · 3 · 5 = 30

90 = 30 · 3

60 = 30 · 2

The distributive property a(b + c) = ab + ac

90 + 60 = 30 · 3 + 30 · 2 = 30 · (3 + 2)

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