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  1. 15x = 20y
  2. 16y = 10z
6x = ?

Reducing equation #1 says that x = 4/3y

Doing the same to #2 says that y = 5/8z

If x=(4/3)y and y=(5/8)z then x must be (4/3)(5/8) = (4/8)(5/3) = (1/2)(5/3) = (5/6)

If x=(5/6) then 6x = 5 ■

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14y ago
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Q: If 15x's equals 20y's and 16y's equals 10z's then 6x's equals how many z's?
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