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MATH / When counting from 3 to 201, 53 is the 51^(st) number counted. When counting backwards from 201 to 3, 53 is the n^(th) number counted. What is n?

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problem

When counting from 33 to 201201, 5353 is the 51st51^\mathrm{st} number counted. When counting backwards from 201201 to 33, 5353 is the nthn^\mathrm{th} number counted. What is nn?
Plain-text mathematical notation (without MathML)
When counting from 3 to 201, 53 is the 51^(st) number counted. When counting backwards from 201 to 3, 53 is the n^(th) number counted. What is n?
Original LaTeX notation
When counting from $3$ to $201$, $53$ is the $51^\mathrm{st}$ number counted. When counting backwards from $201$ to $3$, $53$ is the $n^\mathrm{th}$ number counted. What is $n$?

level

Level 2

type

Counting & Probability

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Source and history

task_id
f8d67d91-8409-5245-a137-2d3979bc3ebd
task_key
counting~5fand~5fprobability--test--f8d67d91-8409-5245-a137-2d3979bc3ebd
task_revision_id
1
config / split
counting_and_probability / test

Official source

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