Question
7 H + 2 J = 40
8 H + 3 J = 50

Fill in the blanks.
  1. 1 H = _____
  2. 1 J = _____
  3. 3 H + 3 J = _____



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

7 H + 2 J = 40
8 H + 3 J = 50

Fill in the blanks.
  1. 1 H = _____
  2. 1 J = _____
  3. 3 H + 3 J = _____