Do you think you’re good at math? Well, let’s see how long you’re going to take to solve this math puzzle.

Here is a math equation: Do you think you can find the number that should replace the question mark?

Have you been able to solve it? Let’s analyze the question properly together.

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ANSWER:

If the sum of three lipsticks equals 30, then one lipstick equals 10. How? We divided 30 by 3.

1 lipstick plus 2 powders equal 20.

If 1 lipstick is 10, so 10 + x + x = 20;

10+2x=20;

20-10 =10;

therefore, 2x=10;

x=5

1 powder plus 2 nail polish plus 2 nail polish equals 9.

If 1 powder is 5, then 5 + 2x +2x = 9;

5 + 4x = 9;

4x = 9 – 5;

4x=4;.

X=1.

One nail polish equals 1

1 powder (5) + 1 nail polish (1) x one lipstick (10) equals:

5+ (1×10) = 15

**The answer is 15!**