6/7 * k = 6

A. k = 7

B. k = 6

C. k = 6 6/7

2 answers

D. k = 42

Answer: C. k = 6 6/7
Its A. k = 7

Just think about it, you take 6, divide it by 7, the multiply by 7. Dividing then multiplying by the same number results in cancellation of the operation.

In other words, you end up with 6.