Marvin is comparing two different music websites. Website A charges $10 per month for a subscription and $0.25 per song. Website B has no subscription fee, and all songs cost $0.75. Which equation would you solve to find the number of songs, s, that Marvin would have to buy each month to make the costs of the music websites equal?

Question

Gilda

Mathematics

21 March, 10:30

Marvin is comparing two different music websites. Website A charges $10 per month for a subscription and $0.25 per song. Website B has no subscription fee, and all songs cost $0.75. Which equation would you solve to find the number of songs, s, that Marvin would have to buy each month to make the costs of the music websites equal?

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Answers (1)

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Demarcus Mathis · Answer 1

Website A:

c = 10 + 0.25 s

where c is the cost and s is the number of songs.

Website B:

c = 0.75 s

The equation (answer):

10 + 0.25 s = 0.75 s

We can solve this equation:

10 = 0.5 s

s = 10 : 0.5

s = 20 (Marvin would have to buy 20 songs to to make the costs equal)