The correct answer is X = -5
The answer is 854 for sure. I did the test and got it all right.
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 )
Answer:
I believe its A.
Step-by-step explanation:
4 because 11-7=4 is it subtraction?
