Q15. Ken earned x dollars at his part-time job on Friday. His wife earned $12 more
1 answer:
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Answer:
b
Step-by-step explanation:
The greatest common factor is the largest value two numbers share in common which multiplies to each of the numbers.
7ab has factors 7, a, b
has factors 2, 4, 8, b, b, b
These share in common b.