Question
Penelope places 4 packets an equal distance from one another. The distance between the first packet and the fourth packet is 120 cm. If Penelope adds another 15 packets that are equal distance apart,
  1. How many gaps will there be between the fifteenth packet and the nineteenth packet?
  2. What is the distance between the 15th packet and the 19th packet?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Penelope places 4 packets an equal distance from one another. The distance between the first packet and the fourth packet is 120 cm. If Penelope adds another 15 packets that are equal distance apart,
  1. How many gaps will there be between the fifteenth packet and the nineteenth packet?
  2. What is the distance between the 15th packet and the 19th packet?