diameters and lenghs

the diameterof a buscuit measures 69.0+1.5mm the thickness of the buscuit is measured as 7.9 +0.5mm 376 buscuits are laid end to end in a straight line

was is the minimum length of the line of buscuits in metres ?

Answers
Is that 69 mm plus or minus 1.5mm? or 0.5 mm?
chloe
10 May 2011
I think (if it's plus or minus 0.5mm) then the min value of the diameter of each biscuit is going to be 68.5mm
chloe
10 May 2011
so to find this in meters we have to divide by 1000 so it becomes 25.756 m
chloe
10 May 2011
so then you multiply 68.5 by 376 which gives you 25,756mm
chloe
10 May 2011
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