Question
3 R + 5 S = 18
5 R + 5 S = 20

Fill in the blanks.
  1. 2 R = _____
  2. 1 R =_____
  3. 1 S = _____
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 R + 5 S = 18
5 R + 5 S = 20

Fill in the blanks.
  1. 2 R = _____
  2. 1 R =_____
  3. 1 S = _____