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Question 11.Which of the following ratios is NOT proportional to 2:3?

Question 22.

Write a ratio for the number of students who received an A to the number of students who received an F.

A Students = 3

B Students = 8

C Students = 2

D Students = 1

F Students = 2

Question 33.A particular pancake recipe calls for 3 cups of flour to 1 cup of milk. Keeping things in proportion, what is the ratio of flour to milk if you double this recipe?

Question 44.Which of the following ratios is in proportion to the ratio 3:4?

Question 55.Sam works at a used car dealership, where he earns 7% commission on each sale. If he sells a car for $12,000 and another for $17,500, how much commission does Sam earn?

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Question 66.The price of an airline ticket rose from $300 to $350. What is the percent increase, rounded to the nearest whole number?

Question 77.A soccer team played 47 games and won 33. Rounding to the nearest whole number, what percent of its games did the team win?

Question 88.At a birthday party, there are 7 boys and 5 girls. What percent of the kids are boys, rounding to the nearest tenth of a percent?

Question 99.During the first four Summer Olympic games attended by the United States, these medal counts were awarded. Calculate the range number of medals won during these Olympic Games.

Question 1010.During the first four Summer Olympic games attended by the United States, these medal counts were awarded. Calculate the mode number of medals won during these Olympic Games.

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Question 1111.During the first four Summer Olympic games attended by the United States, these medal counts were awarded. Calculate the median number of medals won during these Olympic Games.

Question 1212.During the first four Summer Olympic games attended by the United States, these medal counts were awarded. If there is an outlier, identify it from the number of medals won during these Olympic Games.

Question 1313.A probability of 1 means what?

Question 1414.There are two ways to play a game and win. Each comes with its own probability of winning. Game option A has a probability of 1/4 and game option B has a probability of 1/8. Which option has the higher probability of winning?

Question 1515.What is the probability of picking a blue balloon if there are 3 blue balloons, 1 red balloon, and 1 yellow balloon?

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Question 1616.An event that will never happen has a probability of what?

Question 1717.Which of the following is NOT a type of relationship or a variation between two variables?

Question 1818.The weight of an object is inversely proportional to the square of its distance from the center of Earth. The radius of Earth is about 3,960 miles. Calculate the weight of an object at an altitude of 100 miles above Earth's surface. The object has a weight of 500 pounds on the Earth's surface.

Question 1919.Calculate the value of F, if F varies inversely with cube root of d, the proportionality constant is 72 and d is 18.

Question 2020.Calculate the proportionality constant, k, if F varies inversely with square of d, and F is 12 when d is 6.

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Question 2121.If you have a pump that can make water flow at 3 gallons per minute, how long will it take you to fill a 15 gallon tank?

Question 2222.If you are driving at 65 miles per hour, how long will it take you to go 130 miles?

Question 2323.How do you think you could use the unit rate for non-time factors?

Question 2424.If it takes you an hour to bike 20 miles, what is your unit rate?

Question 2525.Convert 9/10.

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Question 2626.Convert 1/2.

Question 2727.Convert 22%.

Question 2828.What is the first step in converting a fraction to a percent?

Question 2929.

Write a ratio for the number of red balls to blue balls.

Red balls = 10

Blue balls = 8

Green balls = 6

Question 3030.A shirt was originally $35 and is now 25% off. What is the sale price?

Mathematics in Science Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come
back
to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will
appear.
Click it to see your results. Good luck!