Question

Sandra thought of a number. She doubled it and then added four. The answer is sixty-eight. Which number did she think of?

Answer 1

I believe it is 32.

Explanation:

32 doubled would be 64 and if you added 4 it would become 68.

Answer 2

Solution,

Let the number be x

Now we have,

(x × 2)+4=68

2x=64

x=32

Explanation: