In 1950, the population of the small town of Tulsa was 1200 and had 80 cars. In 1954, the population of Tulsa was 1500 and 150 cars. The ratio of people to cars decreased by what percent from 1950 to 1954?

In 1950, the population of the small town of Tulsa was 1200 and had 80 cars. In 1954, the population of Tulsa was 1500 and 150 cars. The ratio of people to cars decreased by what percent from 1950 to 1954?

Intermediate Algebra

10th Edition

ISBN:9781285195728

Author:Jerome E. Kaufmann, Karen L. Schwitters

Publisher:Jerome E. Kaufmann, Karen L. Schwitters

Chapter4: Rational Expressions

Section4.CR: Review Problem Set

Problem 45CR: In a physicians practice the ratio of patients on Medicare insurance to patients insured by other...

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Question

In 1950, the population of the small town of Tulsa was 1200 and had 80
cars. In 1954, the population of Tulsa was 1500 and 150 cars. The ratio of people
to cars decreased by what percent from 1950 to 1954?

Expert Solution

Step 1

In 1950, the population is 1200 and the number of cars is 80. In 1954, the population is 1500 and the number of cars is 150.

The ratio of people to cars in 1950 is, $\frac{1200}{80} = 15$ .

The ratio of people to cars in 1954 is, $\frac{1500}{150} = 10$ .

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