Question
Study the pattern.
80, W , X , 170, 200

Find the values of
  1. W
  2. X
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Study the pattern.
80, W , X , 170, 200

Find the values of
  1. W
  2. X