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If 50K8=22, find K...

If 50K8=22, find K

A.

-2

B.

-1

C.

1

D.

2

Correct answer is D

50K8=22

5022 = K8

= 2×2522

= K 4×2

52122 = 2K2

5422=2K2

1022=2K2

82=2K21

= 2k2×2 = 8

2k 4 = 8

2k x 2 = 8

4k = 8

k = 84

k = 2