CM 2B Quiz Review

Which of the following is a conversion factor?

• feet per second

• 8 ounces = 1 cup

• A = lw

• 180 miles

Given that 1 meter = 100 centimeters, find the number of cubic centimeters in a cubic meter.

• 100

• 10,000

• 1,000,000

• 100,000,000

An acre is equal to 43,560 square feet, and there are 5280 feet in a mile. If a farm has the shape of a rectangle measuring 0.9 miles by 1.5 miles, what is the area of the farm in acres?

• 0.164 acre

• 11.14 acres

• 864 acres

• 1050 acres

If a Norwegian kroner is worth $0.149, what is the value of $1.00 in kroners?

• 6.71 kroners

• 14.9 kroners

• 5.43 kroners

• 0.149 kroners

Suppose your car gets 28 miles per gallon of gasoline, and you are driving at 55 miles per hour. Using unit analysis, find the amount of gas you use every hour.

• 1.45 gallons

• 1.96 gallons

• 0.75 gallons

• 0.51 gallons

Suppose you drive a distance of 320 miles at a speed of 60 miles per hour. How many hours does it take?

• .89 hour

• 5.3 hours

• 6.4 hours

• 3.8 hours

You need to buy a 23 foot long section of carpet that is 15 feet wide and costs $49.50 per square yard. How much will the carpet for the room cost?

• $5692.50

• $1897.50

• $5692.50

• $17,077.50

Suppose that two current exchange rates are US $1 = 7.7631 Hong Kong dollars and 1 euro = US $1.169. What is the value of 1 Hong Kong dollar in euros?

• 0.151 euros

• 6.641 euros

• 0.110 euros

• 9.075 euros

Suppose water flows from a shower at a rate of 0.44 cubic feet per minute. Do you use more water by taking an 8-minute shower or by filling a bathtub with 0.45 cubic yards of water, and by how much?

• Bath uses an additional 0.53 cubic feet of water

• Bath uses an additional 8.63 cubic feet of water

• Shower uses an additional 2.17 cubic feet of water

• Shower uses an additional 3.07 cubic feet of water

Assuming that your heart beats 70 times per minute, how many times does your heart beat in 6 days?

• 25,200

• 201,600

• 604,800

• 36,288,000