SAT practice test 2, calculator allowed

A musician has a new song available for downloading or streaming. The musician earns $0.09 each time the song is downloaded and $0.002 each time the song is streamed. Which of the following expressions represents the amount, in dollars, that the musician earns if the song is downloaded d times and streamed s times?

• A
• B
• C
• D

A quality control manager at a factory selects 7 lightbulbs at random for inspection out of every 400 lightbulbs produced. At this rate, how many lightbulbs will be inspected if the factory produces 20,000 lightbulbs?

• A
• B
• C
• D

l = 24 + 3.5mOne end of a spring is attached to a ceiling. When an object of mass m kilograms is attached to the other end of the spring, the spring stretches to a length of l centimeters as shown in the equation above. What is m when l is 73?

• A
• B
• C
• D

The amount of money a performer earns is directly proportional to the number of people attending the performance. The performer ears $120 at a performance where 8 people attend. How much money will the performer earn when 20 people attend a performance?

• A 960
• B 480
• C 300 
• D 240

The performer uses 43% of the money earned to pay the costs of involved in putting on each performance. The rest of the money earned is the performer's profit. What is the profit the performer makes at a performance where 8 people attend?

• A
• B
• C
• D

When 4 times the number x is added to 12, the result is 8. What number results when 2 times x is added to 7?

• A
• B
• C
• D

• A
• B
• C
• D

In a video game, each player starts the game with k points and loses 2 points each time a task is not completed. If a player who gains no additional points and fails to complete 100 tasks has a score of 200 points, what is the value of k ?

• A 0
• B 150
• C 250
• D 400

• A
• B
• C
• D

• A
• B
• C
• D