Question
  1. If 1 u = 79, find 6 u.
  2. If 2 u = 78, find 1 u.
  3. If total = 21, 1 u = 7, how many units(u) are there?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

(c)

Click button first when a symbol is required. X

  1. If 1 u = 79, find 6 u.
  2. If 2 u = 78, find 1 u.
  3. If total = 21, 1 u = 7, how many units(u) are there?