2025 AMC 8 Problems/Problem 2: Difference between revisions
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==Problem== | == Problem == | ||
The table below shows the ancient Egyptian hieroglyphs that were used to represent different numbers. | The table below shows the ancient Egyptian hieroglyphs that were used to represent different numbers. | ||
[[File:mathh.PNG]] | |||
For example, the number <math>32</math> was represented by the hieroglyphs <math>\cap \cap \cap ||</math>. What number is represented by the following combination of hieroglyphs? | For example, the number <math>32</math> was represented by the hieroglyphs <math>\cap \cap \cap ||</math>. What number is represented by the following combination of hieroglyphs? | ||
[[File:Amc8 2025 prob 2 pic.PNG]] | |||
<math>\textbf{(A)}\ 1,423 \qquad \textbf{(B)}\ 10,423 \qquad \textbf{(C)}\ 14,023 \qquad \textbf{(D)}\ 14,203 \qquad \textbf{(E)}\ 14,230</math> | <math>\textbf{(A)}\ 1,423 \qquad \textbf{(B)}\ 10,423 \qquad \textbf{(C)}\ 14,023 \qquad \textbf{(D)}\ 14,203 \qquad \textbf{(E)}\ 14,230</math> | ||
==Solution 1== | == Solution 1 == | ||
The first hieroglyph is worth <math>10,000</math>, the next 4 are worth <math>100 \cdot 4 = 400</math>, the next <math>2</math> are worth <math>10 \cdot 2 = 20</math>, and the last <math>3</math> are worth <math>1 \cdot 3 = 3</math>. Therefore, the answer is <math>10,000 + 400 + 20 + 3 = | The first hieroglyph is worth <math>10,000</math>, the next 4 are worth <math>100 \cdot 4 = 400</math>, the next <math>2</math> are worth <math>10 \cdot 2 = 20</math>, and the last <math>3</math> are worth <math>1 \cdot 3 = 3</math>. Therefore, the answer is <math>10,000 + 400 + 20 + 3 = \textbf{(B)}\ 10,423</math> | ||
~ Sigmacuber | ~ Sigmacuber | ||
== Video Solution 1 (Detailed Explanation) | == Video Solution 1 (Detailed Explanation) == | ||
https://youtu.be/j20JsyEXKcs | https://youtu.be/j20JsyEXKcs | ||
~ ChillGuyDoesMath | ~ ChillGuyDoesMath | ||
== Video Solution 2 by SpreadTheMathLove == | |||
https://www.youtube.com/watch?v=jTTcscvcQmI | https://www.youtube.com/watch?v=jTTcscvcQmI | ||
==Video Solution (A Clever Explanation You’ll Get Instantly)== | == Video Solution 3 (A Clever Explanation You’ll Get Instantly) == | ||
https://youtu.be/VP7g-s8akMY?si=eptV4vO-YstwSQy1&t=105 | https://youtu.be/VP7g-s8akMY?si=eptV4vO-YstwSQy1&t=105 | ||
~hsnacademy | ~hsnacademy | ||
==Video Solution by Daily Dose of Math== | == Video Solution 4 by Daily Dose of Math == | ||
https://youtu.be/rjd0gigUsd0 | https://youtu.be/rjd0gigUsd0 | ||
| Line 35: | Line 38: | ||
~Thesmartgreekmathdude | ~Thesmartgreekmathdude | ||
==Video Solution by Thinking Feet== | == Video Solution 5 by Thinking Feet == | ||
https://youtu.be/PKMpTS6b988 | https://youtu.be/PKMpTS6b988 | ||
==See Also== | == See Also == | ||
{{AMC8 box|year=2025|num-b=1|num-a=3}} | {{AMC8 box|year=2025|num-b=1|num-a=3}} | ||
{{MAA Notice}} | {{MAA Notice}} | ||
[[Category:Introductory Number Theory Problems]] | |||
Revision as of 18:54, 1 February 2025
Problem
The table below shows the ancient Egyptian hieroglyphs that were used to represent different numbers.
For example, the number
was represented by the hieroglyphs
. What number is represented by the following combination of hieroglyphs?
Solution 1
The first hieroglyph is worth
, the next 4 are worth
, the next
are worth
, and the last
are worth
. Therefore, the answer is
~ Sigmacuber
Video Solution 1 (Detailed Explanation)
~ ChillGuyDoesMath
Video Solution 2 by SpreadTheMathLove
https://www.youtube.com/watch?v=jTTcscvcQmI
Video Solution 3 (A Clever Explanation You’ll Get Instantly)
https://youtu.be/VP7g-s8akMY?si=eptV4vO-YstwSQy1&t=105 ~hsnacademy
Video Solution 4 by Daily Dose of Math
~Thesmartgreekmathdude
Video Solution 5 by Thinking Feet
See Also
| 2025 AMC 8 (Problems • Answer Key • Resources) | ||
| Preceded by Problem 1 |
Followed by Problem 3 | |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
| All AJHSME/AMC 8 Problems and Solutions | ||
These problems are copyrighted © by the Mathematical Association of America.