Essay

Recalling the Step-by-Step Solution and Verification of a Routing Proportion

In your role as an Operations Assistant at a logistics company, you are drafting a training guide for a new standard operating procedure. Your company uses the ratio of regional delivery trucks (nn) to total delivery trucks (n+14n+14) represented by the proportion nn+14=57\frac{n}{n+14} = \frac{5}{7} to optimize routing efficiency.

To ensure the new hires fully understand how this proportion is handled, write a brief guide that outlines the complete step-by-step algebraic process to solve for nn and explains how to verify that the final answer is correct. Your explanation must explicitly recall and describe:

  1. The initial step to eliminate the denominators (using the least common denominator of 7(n+14){}7(n+14)).
  2. The distribution step that simplifies the equation to 7n=5n+70{}7n = 5n + 70.
  3. The method used to isolate the variable terms to get 2n=70{}2n = 70.
  4. The final division to find the solution n=35n = 35.
  5. The verification step where the solution is substituted back into the original proportion to yield 3549=57\frac{35}{49} = \frac{5}{7}.

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Updated 2026-06-18

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