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Find the value of k in the equation: \(\sqrt{28} + \sqrt{112...

Find the value of k in the equation: 28+112k=175

A.

28

B.

7

C.

28

D.

7

Correct answer is B

28+112k=175

4×7+16×7k=25×7

27+47k=57

6757=k

k=7

k=7