Section 1.5: Rewriting Equations and Formulas

Which has the greater surface area? Mercury or Venus?

• Mercury

• Venus

A fever is generally considered to be a body temperature greater than 100°F. Your friend has a temperature of 37°C. Does your friend have a fever?

• Yes

• No

You deposit $5,000 in an account that earns simple interest. After 6 months, the account earns $162.50 in interest. What is the annual interest rate?

• 0.01625

• 15.38

• 0.065

• 61.53

A truck driver averages 60 miles per hour while delivering freight to a customer. On the return trip, the driver averages 50 miles per hour due to construction. The total driving time is 6.6 hours. How long does each trip take?

• 3 hours

• 4 hours

• 4.6 hours

• 3.6 hours

How much money must you deposit in a simple interest account to earn $500 in interest in 5 years at 4% annual interest?

• $10,000

• $100

• $2,500

• $1,000

A truck driver averages 60 miles per hour while delivering freight and 45 miles per hour on the return trip. The total driving time is 7 hours. How long does each trip take?

• 5

• 3

• 4

• 2