IBPD 1 'PK' PPT

1. A car rental company charges a fixed fee of $50 plus $25 per day for renting a car. Write an equation that represents the total cost, C, for renting a car for d days.

• C = 50d

• C = 25d + 50

• C = 50d + 25

• C = 25d

2. 2. The probability of winning a game is 0.25. How many times would you expect to win if you played the game 20 times?

• 2

• 5

• 8

• 10

3. 3. The volume of a cylinder is given by V = πr²h, where r is the radius and h is the height. If the radius of a cylinder is doubled and the height is tripled, how does the new volume compare to the original volume?

• 3. It is 6 times larger.

• 3. It is 3 times larger.

• 3. It is 12 times larger.

• 3. It is the same.

Leonardo has a few pets. All but 2 are cats, all but 2 are dogs, and all but 2 are hamsters. How many pets does Leonardo have in total?

• 6

• 4

• 9

• 3

A recipe calls for 2 cups of flour to make 12 muffins. How many cups are needed to make 30 muffins?

• 8 cups

• 5 cups

• 6 cups

• 3 cups

The population of a town is 20,000. If the population decreases by 5% each year, what will be the population after 4 years?

• 16000

• 17000

• 18000

• 17800

Match of the following functions is incorrectly matched.

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• 
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The sum of the ages of a father and his son is 36 years. Five years ago, the father was four times as old as his son. What are their present ages?

• Father: 28 years, Son: 8 years

• Father: 32 years, Son: 4 years

• Father: 31 years, Son: 5 years

• Father: 24 years, Son: 12 years

A manufacturing company conducted a quality control inspection on a batch of 200 smartphones. The results of the inspection are as follows:

• 140 smartphones passed the quality control.

• Out of the smartphones that failed the quality control, 30 had battery issues, while the remaining had software issues.

Based on the information given, answer the following question:

What percentage of smartphones in the batch had software issues?

• 15%

• 20%

• 12%

• 30%

A survey was conducted among 150 students to determine their extracurricular activities. The results are as follows:

• 🔷80 students participate in music.

• 🔷60 students participate in sports.

• 🔷30 students participate in both music and sports.

Based on the information given, answer the following question:

How many students participate in either music or sports?

• 120

• 110

• 130

• 150