2A Problem Solving with Units
Convert 18 feet to inches.
216 inches
Convert 13 degrees Celsius to degrees Fahrenheit.
(Recall: C = (F - 32)/1.8 and F = 1.8C +32 )
55.4 degrees Fahrenheit
M&M's Fruit Chews would eventually become what popular candy?
Starburst
What is the order of magnitude estimate for the number of steps you take in an average day?
A. 10,000 to 12,000 steps; assuming an average person walks 8 miles per day.
B. 375 to 500 steps; assuming an average person walks 0.25 miles per day.
C. 4000 to 5000 steps; assuming an average person walks 2 miles per day.
C
Suppose the cost of gas today is $3.00 per gallon. Using the 1985 price of $1.20 per gallon as a reference value, find the price index for gas today.
(Recall: price index = value/reference value x 100)
250
What is James Bond's code name?
007
Convert 6,900 feet to kilometers.
2.1 km
The area of a certain country is 32% more than the area of Texas, so the country's area is what percent of Texas' area?
132%
Write the following in scientific notation. My new music player has a capacity of 410 gigabytes. (Recall that giga means billion.)
4.1 x 1011
If it cost $16 to fill a gas tank in 2000, how much would it have cost to fill the same gas tank in 1980?
(Use the Average Gasoline Price chart on the Review)
$12.61
A commuter train travels 74 kilometers in 41 minutes. What is the speed in kilometers per hour?
108.3 km/hr
What occasion corresponds with the longest day of the year?
The summer solstice
Express 7/11 as a decimal and as a percentage. (Round your answers to two decimal places as needed.)
0.64; 63.64%
What was the first animal to ever be cloned?
Sheep - Dolly
$12.28
A shirt is priced at $24 Canadian dollars. How much is the shirt in US dollars? (Note: $1 = 1.277 Canadian dollars)
$18.79
A garden bed is 5 feet long, 6 feet wide, and 1 foot deep. How many cubic yards of soil will you need to fill the bed?
1.1 cubic yard
The after-tax price of a laptop is $1650.75 What is the pre-tax cost of the laptop if the sales tax is 6.5%?
$1550
Write 89,100,000 and 0.00021 in scientific notation.
8.91 x 107; 2.1 x 10-4
Who is considered the "Father of Relativity?"
Albert Einstein
A hose fills a hot tub at a rates of 4.28 gallons per minute. How many hours will it take to fill a 326-gallon hot tub?
1.27 hours
Use the currency exchange rates on the review. Your dinner in London cost 72 British pounds. How much was it in US dollars?
$97.63
In 2020, the median age at first marriage of women in a certain country was 27.3 years which was _______ percent less than the median age at first marriage of men in that country which was 31.2 years.
Recall: relative difference = [(compared value - reference value)/reference value] x 100
12.5
Rewrite the following statement using a number in scientific notation.
The diameter of a certain atom is about 0.55 nanometers. (Recall that nano- means "billionth".)
5.5 x 10-10
If it cost $3 to fill a gas tank in 1960, how much of the same tank could be filled with $3 in 1970?
(Use the Average Gasoline Price chart on the Review.)
.86