Question
Marion had a ribbon of 150 cm long. She tied some balloons on the ribbon. Part of the ribbon and balloons were shown. Each balloon was 20 cm apart from one another.
  1. What is the length of the ribbon between the second and the ninth balloon?
  2. Find the most number of balloons that could be tied on the 150 cm of ribbon with balloons at 20 cm apart from one another.
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Marion had a ribbon of 150 cm long. She tied some balloons on the ribbon. Part of the ribbon and balloons were shown. Each balloon was 20 cm apart from one another.
  1. What is the length of the ribbon between the second and the ninth balloon?
  2. Find the most number of balloons that could be tied on the 150 cm of ribbon with balloons at 20 cm apart from one another.