Conversions
Rates and Unit Analysis
Word Problems
Percent, Decimal, Fraction
Exponential vs Linear Growth
100

Convert 78 km to meters.

What is 78000 m?

100

A girl scout troop is selling 8 boxes of cookies for $48. What is a cost per box?

What is $6?

100

A girl scout troop is selling 8 boxes of cookies for $45.  If you want to buy 12 boxes of cookies, how much would it cost?

What is $67.50?

100

Write 0.036 as a percent.

What is 3.6%?

100

Linear or exponential?

In 2000, Littleton had a population of 11,510 people.  Littleton's population is increasing by 600 people each year.

What is Linear?

200

Convert 70 degrees Fahrenheit to degrees Celsius.  Round to the nearest whole degree.

What is 21 degrees Celsius?

200

Compare the unit price for each item and tell which one is a better deal:

A 12-oz box of Cheerios for $2.79 or an 18-oz box of Cheerios for $3.64

What is 18-oz box of Cheerios?

($0.2325 per oz vs $0.2022 per oz )

200

How much a meal that is purchased for 15 pounds in Britain would cost in the US dollars?  ($1=0.8191 British pounds)

What is $18.31?

200

Of 2,000 people surveyed, 530 believe in the existence of ghosts.  What is this amount expressed as a percentage?

What is 26.5%?

200

Linear or exponential?

In 2000, Tinyville had a population of 10,000 people.  Tinyville's population is decreasing by 10% each year.

What is Exponential?

300

Convert 78 km to centimeters.

What is 7,800,000 cm?

300

Change 70 miles per hour to meters per second. Round to the nearest hundredth.

What is 31.29 meters per second?

300

Since 1995, the daily cost of patient care in community hospitals in the United States had been increasing 4% per year. In 1995, the hospital costs were $968 per day.  Estimate the cost per day to the nearest hundredth in 2010.

What is $1,743.31 per day?

300

A pizzeria sold 600 pizzas on Tuesday.  If 65% of those pizzas were delivery orders, how many pizzas were delivered?

What is 390 pizzas?

300

A population of 2785 black bears in a state is increasing by 83 bears each year.  How many bears will there in 8 years?

What is 3449 bears?

400

Convert 16 km to miles.

What is 9.94 miles?

400

If a recipe calls for 24 oz of whole wheat flour, how many cups will we need? (1 cup of whole wheat flour is 4.75 oz).  Round your answer to the nearest tenth.

What is 5.1 cups?

400

A town's population was 8,100 people in 2004.  By 2009 the population has decreased to 6,200.  Predict the population in 2013.

What is 4,680 people?

400

The population of a town increased from 3250 people in the year 2007 to 5350 people in 2010. Find the relative (percent) increase.  Round to the nearest tenth of a percent.

What is 64.6%?

400

A new car costs $23,000.  If the value of the car depreciates 12% each year, find the value of the car after 5 years?

What is $12137.83?

500

Convert 42 gallons to liters. Round your answer to the nearest whole number.

What is 159 liters?

500

An outdoor water container has a length of 18 feet, width of 6 feet, and a height of 9 inches.  Find the volume of the container in cubic feet.  (Volume=Length*Width*Height)

What is 81 cubic feet?

500

A certain drug decays at a rate of 15% per hour.  If the initial dose is 500 milligrams, how much of the dose would remain after 2 hours?  Round to the nearest tenth.

What is 361.3 mg?

500

Tony paid $25 for an item at the store that was 40% off the original price.  What was the original price?  Round your answer to the nearest cent.

What is $41.67?

500

The average cost of a home in Rice County in 1980 was $97,000.  By 1986, the average price was $109,000.  Predict the average price of a home in Rice County in 1998.

What is $133,000?

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