# Friday Puzzler: The Solution, 28th April

By Morwenna Evans Monday, April 28, 2014

Last week we asked you to work out this puzzling problem:

12÷2 (6-7+4) x 2 = ?

The answer is.... 36. Here's how to work through the problem...

The first thing to remember here is BODMAS/BIDMAS

• Brackets
• Order/Indices
• Division
• Multiplication
• Subtraction

So we start with: 1. Brackets: (6-7+4) = -1 + 4 = 3

Now the question at this moment is: 12/2 (3) x 2 =?

1. Order/Indices: This is the same as the powers; of which there are none in this question so we can skip this step. The question is still: 12/2 (3) x 2=?

2. Division/Multiplication: We can division and multiplication at the same time but in the order they appear in the question: This makes the question: 12/2 (3) x 2 = 6 x3 x 2= 18x2=36

3. Addition/Subtraction: These could also be done at the same time but in the order they appear like we did with the brackets at the start of the question.

So, if we carefully follow the rules of BODMAS or BIDMAS,w e should get the answer 36.

Well done if you got the right number! Keep your eyes peeled for this Friday's Puzzler.
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