SOLUTION: Please help. If r=3z,15z=20x, and 10x=2y, then r=?

Question 1045829: Please help. If r=3z,15z=20x, and 10x=2y, then r=?
Found 2 solutions by ikleyn, Alan3354:
Answer by ikleyn(52778) (Show Source): You can put this solution on YOUR website!
.
Please help. If r=3z,15z=20x, and 10x=2y, then r=?
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Then r = 3z = = = 4x = = . Answer. Then r = 4x = .

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
r = 3z
It says that. What's the problem?
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