[TR] length of string - long

[auprichard at comcast.net]

Oops - got it wronh - sorry.  Bob actually says "at least one of my cars is a TR3"

-------------- Original message -------------- 
From: auprichard at comcast.net 

> Let us say there were only ever 2 models of tr made: the TR2 and the TR3 
> Joe and Bob both have two TRs 
> Joe says, "my first car was a TR3" 
> Bob says, "one of my cars is a TR3" 
> 
> Which is more likely to have two TR3s ? 
> 
> Andrew 
> 
> -------------- Original message -------------- 
> From: Dave1massey at cs.com 
> 
> > Actually, Andrew had it right, too. 
> > 
> > You wrote: c +3 = (pi * d) +3 
> > 
> > He wrote circumference + 3 = pi * d + 3 
> > 
> > These are equivalent but yours is explicit whereas his is implicit and 
> > dependent on the rules of precedence. When evaluating his equation you perform 
> > the 
> > multiplication before the addition which is the same as what you spelled out 
> > with your parentheses. To avoid confusion your representation is preferred but 
> > either is correct. 
> > 
> > And his answer 3/pi is nearly equal to your one foot result. More accurate, 
> > in fact, but either is close enough for our purposes. 
> > 
> > Dave 
> > 
> > In a message dated 11/20/2007 10:50:34 AM Central Standard Time, 
> > cfmtr3a at verizon.net writes: 
> > > Andrew - 
> > > your formula is wrong: 
> > > c= circumference 
> > > 
> > > c= pi * d is correct 
> > > 
> > > c +3 = (pi * d) +3 
> > > 
> > > however your answer is correct - the diameter would increase by 
> > > approximately 1 ft. 
> > > your formula would have increased the diameter by 3ft. 
> > > 
> > > Carl 
> > > 
> > > 
> > > 
> > > ----- Original Message ----- 
> > > From: "Andrew Uprichard" 
> > > To: ; "'Kent Shrack'" 
> > > ; 
> > > Sent: Tuesday, November 20, 2007 6:18 AM 
> > > Subject: Re: [TR] length of string - long 
> > > 
> > > 
> > > >The distance is 3/(2*pi) in both cases. 
> > > > 
> > > >circumference = pi * d 
> > > > 
> > > >circumference + 3 = pi * d + 3 
> > > > = pi * (d + 3/pi) 
> > > > 
> > > >The diameter increases by 3/pi regardless of the starting diameter. 
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