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9-28.
  1. Solve the proportions using any strategy you choose and show all of your steps. Homework Help ✎

Use cross multiplication.
35 · 100 = 70x
3500 = 70x

Use the inverse to undo.

m = 4

Use a Giant One to find the equivalent ratio.

x = 2.4

Try using one of the methods presented in either part (a), (b), or (c).