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75% of 110 + 11% of 250 (Keep the first equation the same and flip the second equation)
= 75% of 110 + 25% of (11x10)
= 75% of 110 + 25% of 110
= 100% of 110
= 110 for the answer

The title was so genius!

I already knew this trick, but i have another trick that a use in school, when it is a percentage question with exacts 10 multiples or when it is not possible to do this, just add a  dot between the tens place and the unity place and multiply them. Like: 30% of 60 is 6 × 3 = 18, or 90% of 40 is 9 × 4 that is 36

75%of110+11%of250=110

75% of 110 + 11% of 250=110

3:02 - 3:09 are where the coins are hidden.

75% of 110 + 11% of 250
= 75% of 110 + 11% of (25 × 10)
= 75% of 110 + 25% of (11 × 10)
= 75% of 110 + 25% of 110
= 100% of 110
= 110 ✅✅
              More simplified
100% of 110
= 100/100 × 110
= 1× 110
= 110 ✅✅✅

Okay? You said x% of y equals y% of x. I paused the video as soon as I saw it in 2:55. My first thought was switching 11% with 250, so it would be 250% of 11. I threw the zero for a while and just divided 11 with 4 which equals 2.75. By adding the zero again I moved the point to the right, so it would be 27.5.

Even at the task before I did that because I didn't know you could do this other technic that you have shown us. But I think we both get to the same solution.

this is likely the easiest it can be
12% of 75  =  10 % of 75  + 1% + 1% of 75
75/10 = 7.5  + 75/100 = 0.75  , + 0.75
= 7.5 + 0.75 + 0.75 = 7.5 + 1.5
= 9
just find 10% n 1 % and you can  + or x

75% of 110 + 11% of 250 = 75% of 110 + 110% of 25 = 75% of 110 + 25% of 110 = 100% of 110 = 110

25% of 90 + 9% of 250=45

12%*75=9

75%of110 lets break it down:
70%×110=77.0
5×110=5.50
77.0+5.50=82.5
11%of250 break down:
10%×250=25.0
1%×250=2.50
25.0+2.50=27.5
82.5+27.5= 110

It’s all in my head.

24%*25=6 It’s in my head.

12%75=1.6:1.2^3 1.2^1 2^1 (x ➖ 2x+1). 24%25=1.1 (x ➖ 1x+1)
75%90+9of250={1.15 +9}=1.24=2.2 (x ➖ 2x+2). 75%110+11of250={1.35+11}=1.46=1.04 10^10^4 2^5^2^5^4 1^1^1^1^2^2 1^1^1^2 1^2 (x ➖ 2x+1).

1:00 first coin

bro why I cant get it

My answer to the math question is 110.
Around 1:00–1:06, I saw a scale with either one gold coin or three gold coins. The clock 🤔 shows 3:00, so I think that’s a sign for hidden three gold coins. If not, then all three gold coins can be seen between 3:00–3:08.