Question
Yen places 3 bags an equal distance from one another. The distance between the first bag and the third bag is 140 cm. If Yen adds another 15 bags that are equal distance apart,
  1. How many gaps will there be between the fifteenth bag and the eighteenth bag?
  2. What is the distance between the 15th bag and the 18th bag?
4 m
(a)

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(b)

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Yen places 3 bags an equal distance from one another. The distance between the first bag and the third bag is 140 cm. If Yen adds another 15 bags that are equal distance apart,
  1. How many gaps will there be between the fifteenth bag and the eighteenth bag?
  2. What is the distance between the 15th bag and the 18th bag?