G NAV question help

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You are flying 090C heading. Deviation is 2W and variation is 12E. Your TAS is 160kts. You are flying the 070 radial outbound from a OR and have gone 14nm in 6mins. What is the W/V?

090C - 2 = 088 + 12 = 100T

Using Speed = Distance / Time = 14 / 6 x 60 = 140kts

I am struggleing from there on.........


Thanks in advance for the help