Question
3 C + 5 D = 11
5 C + 5 D = 15

Fill in the blanks.
  1. 2 C = _____
  2. 1 C =_____
  3. 1 D = _____
3 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

3 C + 5 D = 11
5 C + 5 D = 15

Fill in the blanks.
  1. 2 C = _____
  2. 1 C =_____
  3. 1 D = _____