Did you get it right?
This blackboard puzzle asks you to solve 42 – 18 / 6 = ?. Slow down and use the order of operations.
The Answer
The correct answer is: The answer is 39..
Here is why
- Do the division first.
- 18 / 6 equals 3.
- Then 42 – 3 equals 39.
Why people miss it
A fast answer often comes from subtracting before dividing, but division comes first.
What answer did you get before checking?
