Practice problem

Math Artifacts

Fit to a T\text{Fit to a T}

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Henry Ford was a revolutionary industrialist, who transformed global society through affordable cars. He achieved this through technological innovation and the relentless pursuit of efficiency. He was the first automobile maker to implement the moving assembly line, which reduced the production time of the Model T from 1212 hours down to 9090 minutes. This allowed him to raise wages from $2.34\$2.34 for a 99 hour work day to $5\$5 for an 88 hour work day. All of this efficiency reduced the price of the car from $700\$700 to $350\$350, while also building a middle class who could afford to purchase the cars.

For simplicity, suppose that the price reduction from $700\$700 to $350\$350 was entirely due to the effect of reducing labor costs, and labor represents somewhere between 5−25%5-25\% of the final price. Which of these could be the ratio of the total number of man-hours required to build a car before Ford's innovations, versus after?

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Type a concept, like “slope” or “photosynthesis”.

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