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

---

Definitions:

Rare Coins

Unique or scarce monetary coins which are collected for their historical, cultural, or investment value.

Chinese Gold Panda

The Chinese Gold Panda is a series of gold bullion coins issued by the People's Republic of China, noted for its changing panda-themed designs.

Accountant

A professional responsible for managing and examining financial records, and providing advice on fiscal matters.

Accounting Partnership

A business arrangement where two or more individuals engage in an accounting practice together, sharing profits, losses, and responsibilities.