Question
Sabrina places 3 packets an equal distance from one another. The distance between the first packet and the third packet is 100 cm. If Sabrina adds another 12 packets that are equal distance apart,
  1. How many gaps will there be between the twelfth packet and the fifteenth packet?
  2. What is the distance between the 12th packet and the 15th packet?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Sabrina places 3 packets an equal distance from one another. The distance between the first packet and the third packet is 100 cm. If Sabrina adds another 12 packets that are equal distance apart,
  1. How many gaps will there be between the twelfth packet and the fifteenth packet?
  2. What is the distance between the 12th packet and the 15th packet?