Question

Yesterday, a local radio station played 89 songs prior to 10 a.m. The station also played 12 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 = 12x
B.
y = x + 12
C.
y = 89x + 12
D.
y = 12x + 89

Answer 1

Which of these can you definitely rule out?

Answer 2

@DangerousJesse A?

Answer 3

No, logically, which can you rule out? If the 89 songs are played by 10 pm, how can someone tuning in after that time hear them?

Answer 4

am* Jeez, I can't type...

Answer 5

I hink either b or c

Answer 6

*think

Answer 7

C, yes, you can rule that out :)
This is because it includes those first 89 songs in the calculation. Are there any other choices that also include those 89 songs?

Answer 8

D

Answer 9

Correct :)
Now, if the number of songs increases by twelve every hour, which choice would represent that?

Answer 10

A

Answer 11

Yep, great job

Answer 12

Thanks