Density
posted by Julissa .
A 156kg coil of sheet steel is .080 mm thick and 50 cm wide. How long is the steel in the coil?

Length*Width*Thickness*Density = 156,000 g
Using the density of steel (in g/cm^3), which you should look up, solve for the length, in cm.
Thickness = 8*10^3 cm
Width = 50 cm 
I have already explained to you how to do the problem. Don't just parrot the same question back, get busy.
The density of steel is 7.85 g/cm^3.
There.. I saved you a step.
Length = 156,000/[(width)(thickness)*7.85]
The length units must be in centimeters. Divide the answer by 100 if you want it in meters.
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