Question
Joelle places 3 packets an equal distance from one another. The distance between the first packet and the third packet is 110 cm. If Joelle adds another 10 packets that are equal distance apart,
  1. How many gaps will there be between the tenth packet and the thirteenth packet?
  2. What is the distance between the 10th packet and the 13th packet?
4 m
(a)

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(b)

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Joelle places 3 packets an equal distance from one another. The distance between the first packet and the third packet is 110 cm. If Joelle adds another 10 packets that are equal distance apart,
  1. How many gaps will there be between the tenth packet and the thirteenth packet?
  2. What is the distance between the 10th packet and the 13th packet?