Use the given equation to find the solution to the following problem.

The equation 2.85+ 0.40s=c gives the cost c in dollars that a website charges for downloading songs. The variable s stands for the number of songs downloaded. Find the cost of downloading 36 songs.

1 answer

To find the cost of downloading 36 songs, we substitute s = 36 into the given equation.

c = 2.85 + 0.40s
c = 2.85 + 0.40(36)
c = 2.85 + 14.4
c = 17.25

Therefore, the cost of downloading 36 songs is $17.25.