Name:    Math 10W Unit 4 Practice Test #4

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

1.

Water freezes at 0°C. What is the freezing point of water in degrees Fahrenheit?
 a. 32°F c. 100°F b. –32°F d. 0°F

2.

The melting point of iron is 1536°C. At what temperature in degrees Fahrenheit will iron melt?
 a. 835°F c. 2822°F b. 2732°F d. 2797°F

3.

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

4.

Sarah bought 2 pounds 10 ounces of strawberries and 3 pound 2 ounces of blackberries. What is the combined weight of the berries?
 a. 4 lb 13 oz c. 8 lb 12 oz b. 12 lb 5 oz d. 5 lb 12 oz

5.

What is the mass of a 775 g object, expressed in milligrams and in kilograms?
 a. 77 500 mg, 77 500 kg c. 7750 mg, 7.75 kg b. 775 000 mg, 0.775 kg d. 77.5 mg, 77.5 kg

6.

An RV leaving Canada is stopped at customs at the border and weighed. The scale shows a reading of 2.5 tons. What is the weight of the RV in tonnes?
 a. 2.5 tonnes c. 3.5 tonnes b. 2.3 tonnes d. 1.8 tonnes

7.

Conrad is making veggie burgers for 18 children with special dietary needs at summer camp. The burgers should be 50 g each. How many pounds of veggie burger mix should he defrost?
 a. 3.78 lbs c. 1.98 lbs b. 2.88 lbs d. 1.08 lbs

8.

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

9.

How many bushels of timothy grass are there in 245 tonnes? The conversion factor is 11.065 bu/t.
 a. 22 bu c. 2711 bu b. 24 bu d. 2956 bu

10.

Chandra is buying firewood for the winter. Firewood is being sold for \$179.00/cord, but Chandra estimates he will need 300 kg. If the conversion factor is 375 kg/cord, how much will he spend on firewood?
 a. \$157.52 c. \$114.56 b. \$143.20 d. \$100.24

1.

Christopher bought 2 lb 1 oz of assorted cheeses for a party, at an average cost of \$5.79/lb. If 20% of the cheese was knocked onto the floor during the party and not eaten, what was his true cost per pound?

2.

Sherry wants to buy boxes of strawberries when they are on sale at the grocery store, but she will not have time to make jam until the weekend. She buys one crate of 4.4 kg of berries and two additional boxes of 400 g each. If her strawberry jam recipe calls for 4.2 kg of berries, what mass of berries can spoil and still allow her to make jam?

3.

Gurveer was comparison shopping at two grocery stores and found that coffee beans were priced at \$42.00/kg and \$3.90/100 g. Which of these would be a better deal?

4.

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

5.

A 40-lb bag of oats costs \$11.50. How much do the oats cost per kilogram?