Question
Lucy places 4 packets an equal distance from one another. The distance between the first packet and the fourth packet is 150 cm. If Lucy adds another 11 packets that are equal distance apart,
  1. How many gaps will there be between the eleventh packet and the fifteenth packet?
  2. What is the distance between the 11th packet and the 15th packet?
4 m
(a)

Click button first when a symbol is required. X

(b)

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Lucy places 4 packets an equal distance from one another. The distance between the first packet and the fourth packet is 150 cm. If Lucy adds another 11 packets that are equal distance apart,
  1. How many gaps will there be between the eleventh packet and the fifteenth packet?
  2. What is the distance between the 11th packet and the 15th packet?