Explanation:
Mary asked peter if he had been abroad.
or if he had travelled abroad.
Answer:
Where’s the queen
Explanation:
Can’t explain without a question
Think of an equation:
200 - 91 = 109
You can do anything to this equation, as long as you do the same thing to both sides. So, if you add 91 to both sides, you will get:
200 = 200
Since this holds true, Susan's strategy to add her answer to 91 makes sense.