Question
Risa places 3 bags an equal distance from one another. The distance between the first bag and the third bag is 140 cm. If Risa adds another 10 bags that are equal distance apart,
  1. How many gaps will there be between the tenth bag and the thirteenth bag?
  2. What is the distance between the 10th bag and the 13th bag?
4 m
(a)

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(b)

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Risa places 3 bags an equal distance from one another. The distance between the first bag and the third bag is 140 cm. If Risa adds another 10 bags that are equal distance apart,
  1. How many gaps will there be between the tenth bag and the thirteenth bag?
  2. What is the distance between the 10th bag and the 13th bag?