Question

If the density of cylinder 1 is 3.55 , what is the density of cylinder 2? (The masses and volumes of two cylinders are measured. The mass of cylinder 1 is 1.35 times the mass of cylinder 2. The volume of cylinder 1 is 0.792 times the volume of cylinder 2.)
I would go the easy route and make up a number of the mass of cyl 1 and solve for volume of cyl 1. Then
1.35*mass1 = mass 2
0.792*volume1 = volume2
Then density2 = mass2/volume2
6.05
correct?

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