Yesterday, a local radio station played 85 songs prior to 10 a. m. the station also played 10 songs per hour for the remainder of the day.

if a person listened to the radio station yesterday afternoon for x hours, which of the following equations can be used to find the number of songs the person listened to?

a. y = 10x

b. y = 10x + 85

c. y = x + 10

d. y = 85x + 10