MATTHEW HAS 20 AND HE SPEND 15 ON RED BULL MOVING WH RIDDLES WITH ANSWERS TO SOLVE - PUZZLES & BRAIN TEASERS

Seven seconds. Did you answer this riddle correctly?
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Doc,
Happy,
Smelly,
Sneezy,
Stumpy,
Sleepy,
Grumpy,
Dopey,
Droopy, Did you answer this riddle correctly?
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Because of the way they always greet her, "Hi ho, hi ho, hi ho." Did you answer this riddle correctly?
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Pepper (Pepper fruit/grain, red/green/yellow/black/white pepper, Dr Pepper, Chili Pepper and Pepper spray) Did you answer this riddle correctly?
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Hair Did you answer this riddle correctly?
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Hold down one of the quarters very firmly. Take another coin and hit it against the quarter you are holding down. Tap hard enough to move the quarter next to it aside. Did you answer this riddle correctly?
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Since the door is not visible in this picture, the bus is moving in the left direction. Did you answer this riddle correctly?
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Mirror Did you answer this riddle correctly?
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Grant! Did you answer this riddle correctly?
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He took it for a spin. Did you answer this riddle correctly?
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The third equation has a term with a pair of whistles. The last line involves a single whistle.

Furthermore, the man in the second and third lines are wearing a whistle, but the man in the last line is not wearing a whistle. Presumably the value of the whistle should be accounted for to get the correct answer.

The pictures can be translated into the following equations:

shoes + shoes + shoes = 30
shoes + (man + whistle) + (man + whistle) = 20
(man + whistle) + 2(whistles) + 2(whistles) = 13
shoes + (man) x (whistle) = ?

From the first equation we can solve for the shoes value:

shoes + shoes + shoes = 30
3(shoes) = 30
shoes = 10

We can then solve the second equation for the (man + whistle) value:

shoes + (man + whistle) + (man + whistle) = 20
10 + 2(man + whistle) = 20
2(man + whistle) = 10
man + whistle = 5

Then we solve the third equation for the whistle:

(man + whistle) + 2(whistles) + 2(whistles) = 13
5 + 4(whistles) = 13
4(whistles) = 8
whistle = 2

We also need to solve for the value of the man:

man + whistle = 5
man + 2 = 5
man = 3

Now we can evaluate the final expression, remembering the order of operations that multiplication should be evaluated before addition:

shoes + (man) x (whistle) = ?

10 + 3 x 2
= 10 + 3 x 2
= 10 + 6
= 16 Did you answer this riddle correctly?
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Apple Did you answer this riddle correctly?
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Your word. Did you answer this riddle correctly?
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The German sits in his Green House, smoking his Prince cigars, drinking coffee, and watching his FISH.

The rest go like this-
1st House: Yellow, Norwegian, Water, Cats, Dunhill
2nd House: Blue, Dane, Tea, Horse, Blends
3rd House: Red, Brit, Milk, Birds, Pall Malls
4th House: Green, German, Coffee, FISH, Prince
5th House: White, Swede, Beer, Dogs, Bluemasters Did you answer this riddle correctly?
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The White House is in Washington, D.C., United States. Did you answer this riddle correctly?
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