I suppose there is a certain enjoyment to be gained from the familiarity of being able to finish all the verses of a new, country music hit song that you've never heard before! grin

Most are so predictable. Wait for it..
....


"Forget pounds and ounces, I'm figuring displacement!"

If we accept that: MBG(+)FGSF(=)HBG(F1)
And we surmise that: BG(>)HBG(F1) while GSF(<)HBG(F1)
Would it hold true that: HBG(F1)(+)AM500(x)q.d.(=)1.5lbGRWT?
PB answer: It depends.