The cost to purchase a song from iTunes is $1.98 per song. To purchase
a song from Napster, you must be a
member. The Napster membership
fee is $20. In addition, each
purchased song costs $1.78. How
many downloaded songs must be
purchased for the monthly price of
Napster to be the same as iTunes?
What will the monthly price be?

Answer 1:

100 songs

Answer 2:

$198

Step-by-step explanation:

The cost to purchase a song from iTunes is $1.98 per song.

To purchase a song from Napster, you must be a member.

The Napster membership fee is $20.

In addition, each purchased song costs $1.78

Solution 1.

Let the downloaded songs be y.

∴ 1.98y = 20 + 1.78y

1.98y - 1.78y = 20

0.2y = 20

y = 20 ÷ 0.2 = 100

So 100 songs must be downloaded from Napster.

and 100 songs must be downloaded from iTunes.

So that the monthly price of Napster can be the same as iTunes.

Solution 2:

The monthly price to download songs from Napster is;

$20 + $1.78(100) = $198

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step-by-step explanation: