Answer:
At 15 movies, both will cost $175
Step-by-step explanation:
Set it up algebraicly. Let x be the number of movies
100 + 5x = 25 + 10x
75 + 5x = 10x
75 = 5x
x = 15
Lets substitute x into one equation
100 + 5(15)
100+75
175
2=x
-2x+5=4x-7
+2x +2x
5=6x-7
+7 +7
12=6x
/6
OOPEEEEEEEEEEEEEEEE
The answer is,
4.53
474$
10