One
there are three acts in the miracle worker
there are no scenes, only three acts.
There are 29 scenes in the Shakespearean play 'Macbeth'. Act 1 has seven scenes. Act 2 has four scenes. Act 3 has six scenes. Act 4 has three scenes. Act 5 has nine scenes.
Eighteen in total. Act 1 has five, Act 2 has five, Act 3 has four, Act 4 has three and Act 5 has only one.