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8 March, 13:20

Mandy works construction. Shes knows that a 5 meter long metal bar has a mass of 40 kg. Mandy wants to figure out the mass (w) of a bar made out of the same metal that is 3 meters long and the same thickness.

Which proportion could Mandy use to model this situation?

a. 40/3=w/5

b. 5/3=40/w

Solve the proportion to determine the mass of the shorter bar

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Answers (1)
  1. 8 March, 13:44
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