The distance from Cleveland to Pittsburgh is about 2 over 5 of the distance from Cleveland to Chicago. About how far is Cleveland from Chicago? Source

5d -17 can be used to represent the distance between Pittsburgh and St. Louis.

Explanation:

Given the distance between Pittsburgh, Pennsylvania, and St. Louis, Missouri, is 17 miles less than 5 times the distance between Pittsburgh and Cleveland, Ohio.

The distance between Pittsburgh and Cleveland = d.

it's "17 miles less than 5 times the d".

5 times of d is = 5d.

17 miles less than 5d = 5d -17.

Therefore, 5d -17 can be used to represent the distance between Pittsburgh and St. Louis.

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations.

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