**Could you UNCOVER THE MYSTERY behind the crystal ball?**

**(in the Algebraic way!)**

**Submit your explanation under comments...**

The total length of 4 roads is (3x - 1) km.

What are the possible lengths of the 4 roads in kilometres?

Enter your suggested lengths in comments.

What are the possible lengths of the 4 roads in kilometres?

e.g. The length of the 4 roads are: **x km, x km, x-7 km, 6 km**

Check: **x + x + (x - 7) + 6 = 3x - 1 **

Enter your suggested lengths in comments.

Which is larger in magnitude?

Explain your answer clearly with examples.

Enter your response in Comments.

Which is larger in magnitude?

Explain your answer clearly with examples.

Enter your response in Comments.

Here's another **interesting challenge**... this time, from Mr Dean Ang :)

Are you able to 'crack' the mystery behind this?

Are you able to 'crack' the mystery behind this?

Identify 5 numbers from the website of your choice and answer the following questions as comments.

1. URL of website

2. The 5 numbers are..... (and the units/ context) (and whether they are exact or estimated)

3. The reason why the numbers are presented the way they were

1. URL of website

2. The 5 numbers are..... (and the units/ context) (and whether they are exact or estimated)

3. The reason why the numbers are presented the way they were

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