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Old 02-04-2014, 13:26   #65
Margaret Pilkington
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Re: "Respect your elders"

Quote:
Originally Posted by gpick24 View Post
An easy way to work out, subtract 30 then half that answer - so 50f is 10c.
Not always the exact answer (that`s -32 then divide by 1.8) but for working out in your head it`s pretty close.
I could have worked it out but I was just being lazy.
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