Find the product. List the units.
6 mo. x $700/mo.
What is $4,200
100
Tell whether the ratios form a proportion.
1/3, 7/21
What is yes?
100
Convert 5 liters to quarts.
What is about 5.26 quarts?
100
True or false.
The slope of a line is the change in x/change in y.
What is false? The change in y over the change in x, or rise/run.
100
Is this a direct variation, inverse variation, or neither: You bring 200 cookies to a party. Let n represent the number of people at the party and c represent the number of cookies each person receives.
What is inverse?
200
Write the ratio as a fraction in simplest form.
16 dogs to 12 cats
What is 4/3
200
Solve the proportion:
x/8 = 9/4
What is x = 18?
200
8 cm = _____ in.
What is about 3.15 inches?
200
If you have a slope of 1/2, you go up ____ units and over ____ units.
What is up 1, over 2?
200
Is this a direct variation, inverse variation, or neither: You work at a restaurant for 20 hours. Let r represent your hourly pay and p represent the total amount you earn.
What is direct variation?
300
Estimate the unit rate: $1.19 for 12 fl. oz. of grape juice.
What is $0.10 per fl. oz.
300
Write and solve a proportion to find how many points a student needs to score on the test to get the given score. Test worth 50 points; test score of 78%.
What is x/50 = 78%/100%; 39 points?
300
There are 1100 miles of sandy beaches in Florida. How many kilometers of beaches does Florida have?
What is about 1760 km?
300
If you make $10 babysitting for 2 hours, and $20 babysitting for 4 hours, what is the slope of your line?
What is 10/2 or 5/1?
300
Is the equation 5y = x a direct variation, inverse variation, or neither? What is your equation?
What is direct variation? What is y = 1/5x?
400
At 1:00pm, you have 24 megabytes of a movie. At 1:15pm, you have 96 megabytes. What is the download rate in megabytes per minute?
What is 4.8 MB per minute?
400
There are 180 white lockers in the school. There are 3 white lockers for every 5 blue lockers. How many lockers are in the school?
What is 300 lockers total?
400
If a brachiosaurus weighs 172,000 pounds, how much did it weigh in kilograms?
What is about 77,400 kg?
400
Find the slope of the line that passes through the two points: (0, 0), (5, 8).
What is 8/5?
400
Tell whether this shows direct variation, inverse variation, or neither. (-3, -2), (-1, 0), (1, 0), (3, 2)
What is neither?
500
In 2002, the population of Florida was 16.7 million people. In 2007, it was 18.3 million. What was the rate of population change per year?
What is 320,000 people per year?
500
A specific shade of red nail polish requires 7 parts red to 3 parts yellow. A mixture contains 35 quarts of red and 8 quarts of yellow. How can you fix the mixture to make the correct shade of red?
What is add 2 more quarts of yellow?
500
The speed of light is about 300,000 kilometers per second. Convert the speed to miles per hour.
What is about 675,000,000 mi/hr?
500
A line has a slope of 2. It passes through the points (1, 2) and (3, y). What is the value of y?
What is y = 6?
500
The number of beads on a bracelet varies inversely with the length of the beads. You use 8-millimeter beads to make a bracelet with 25 beads. How many 10-millimeter beads would you need to make a bracelet?