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ARTICLE:
Can You Solve This Without a Calculator? The Fast Food Math Puzzle
Visual algebraic equations replacing numbers with popular food items—like french fries and pizza slices—are among the most viral brain teasers online. While they look simple at first glance, they test your ability to perform basic algebraic substitution and follow the fundamental order of operations.
Looking closely at the puzzle image above, we can break down each equation line by line to determine the final value.
Step-by-Step Breakdown
Let’s solve the equations step-by-step:
Line 1: Finding the Value of French Fries
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1 French Fries + 1 French Fries = 20
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$20 \div 2 = 10$
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1 French Fries = 10
Line 2: Finding the Value of a Pizza Slice
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1 Pizza Slice + 1 Pizza Slice = 6
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$6 \div 2 = 3$
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1 Pizza Slice = 3
Line 3: Verification Check
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1 French Fries $\times$ 1 Pizza Slice = 30
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Substitute the values: $10 \times 3 = 30$
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This confirms that French Fries = 10 and Pizza Slice = 3.
Line 4: The Final Equation
The final line presents the following mathematical expression:
Substitute the known values ($10$ and $3$):
Following the Order of Operations (PEMDAS/BODMAS):
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Multiplication first: $10 \times 3 = 30$
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Subtraction and Addition from left to right:
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$30 – 10 = 20$
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$20 + 3 = 23$
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The Final Answer
The correct answer to the final equation is 23!
Why Order of Operations Puzzles Challenge Us
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Order of Operations Traps: Many people solve from left to right without applying multiplication before addition and subtraction.
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Deceptively Simple Layout: Using colorful everyday food items makes math approachable while hiding classic algebraic principles.
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Instant Mental Refresh: Offers a quick, satisfying mental workout to test your attention to detail.
