Question
2 B + 3 C = 17
5 B + 3 C = 20

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

2 B + 3 C = 17
5 B + 3 C = 20

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