Name:    Math 10W Unit 4 Practice Unit Test #3

Multiple Choice
Identify the choice that best completes the statement or answers the question.

1.

A pot of water is being boiled at high altitude and has reached a temperature of 217°F. If the boiling point of water at this altitude is 105°C, by how many more degrees must the water heat up?
 a. 10°F c. None. It is already boiling. b. 7°F d. 4°F

2.

A ceramic pot must be baked in an oven at 1107°C in order to harden properly. What is the temperature of this oven in degrees Fahrenheit?
 a. 1993°F c. 2000°F b. 2025°F d. 2012°F

3.

The temperature outdoors on a hot summer day is 100°F and the humidity makes it feel 14°F warmer. What temperature does it feel like in degrees Celsius?
 a. 45.6°C c. 41.8°C b. 43.8°C d. 35.8°C

4.

A roofing company has a contract to shingle 18 identical houses in one week. It takes 105 pounds of shingles to cover a roof. How many tons of shingles should they order?
 a. 1.1 tons c. 0.9 tons b. 0.6 tons d. 1.9 tons

5.

What is the weight of a 300-lb object, in ounces and in tons?
 a. 4800 oz, 0.2 tons c. 1800 oz, 0.3 tons b. 1800 oz, 0.2 tons d. 8400 oz, 0.1 tons

6.

What is the cost per ounce of a 2-lb 14-oz bag of wild rice being sold for \$16.56?
 a. \$0.27 c. \$0.45 b. \$0.36 d. \$0.39

7.

Dried oats from a storage container that is 17 400 cubic inches will be packed into bags which hold up to 720 cubic inches. How many complete bags can be filled?
 a. 28 c. 24 b. 25 d. 30

8.

The building code for the township where Shane’s cottage is requires boat docks to withstand a load of 150 kg per square metre. If Shane’s dock is approximately 4.3 square metres, how much weight can it hold?
 a. 645.0 kg c. 516.0 kg b. 709.5 kg d. 640.3 kg

9.

A train on a roller coaster ride can safely carry up to 10 000 lb. If the average adult weighs 72 kg, how many passengers can ride the roller coaster at once?
 a. 62 c. 65 b. 63 d. 64

10.

Painted Rock Farms owns land measuring 1100 m by 925 m. They would like to grow their crops in separate fields of 47 500 m2. How many different fields can they fence off?
 a. 23 c. 21 b. 17 d. 27

1.

A public pool is kept at a comfortable temperature of 27.9°C. However, the competitive swimming pool beside it is kept at 25.8°C. If you jumped into the colder pool, what temperature change in degrees Fahrenheit would you experience?

2.

When the temperature is between –3°C and 5°C, there is a risk of freezing rain. What is this temperature range in degrees Fahrenheit?

3.

The weight of a snow machine is 850 lb. If the ice on a lake is tested to hold weights of up to 0.8 tons, is it safe for a father weighing 160 lb to take his two children, weighing 62 lb and 78 lb, out onto the ice?

4.

Lobster is being sold for \$21.08/lb. What would be the price of a 0.66 kg lobster?

5.

The conversion factor for barley is 45.87 bu/t and the conversion factor for buckwheat is 44.05 bu/t. What is the weight of a bushel of each, in kilograms?