Set Up an Equation and Solve the Problem $\pi$ Square Meters

question 63

Multiple Choice

Set up an equation and solve the problem. The sum of the areas of two circles is 160 $\pi$ square meters. Find the length of a radius of the smaller circle if one of them is 3 times as long as the other.

• A) 16 meters
• B) 3 meters
• C) 5 meters
• D) 4 meters
• E) none of these

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Definitions:

Subsidiary Ledger

A detailed ledger that contains the individual accounts related to a specific main account, aiding in the organization and breakdown of financial information.

Balance Sheet

A ledger entry that captures the financial position of a business, enumerating assets, liabilities, and the stake of shareholders at an exact moment.

Original Investments

The initial amount of money or value of assets put into a business or project by its founders or investors.

Net Income

The total earnings of a company after subtracting all expenses, including taxes and operating costs, from its total revenues.