Apply the distributive to a factor out the greatest common factor 64 + 40

Factors of 64:

1 2 4 8 16 32 64

Factors of 40:

1 2 4 5 8 10 20 40

8 is the GCF

8(8+ 5)

answer: 16

step-by-step explanation: first you would add 6+6 which equals 12 then add 2+2 which equals 4. then add 12 + 4 which is 16.

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