Question
6 R + 3 S = 24
7 R + 4 S = 30

Fill in the blanks.
  1. 1 R + 1 S = _____
  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

6 R + 3 S = 24
7 R + 4 S = 30

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