Source:New SAT Study GuideSAT Study Guide Explanations, Test 2; Test 2, Section 4; #1

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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 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?