You're on the right track. After you get both equations you need to cancel one of the variables. In this situation, it doesn't matter which variable you cancel out.
2.50x=90
X stands for the number of times he can ride the bus.
To solve this, you'd take 90/2.5 which is equivalent to 36. He would be able to ride the bus 36 times.
I think the answer is 16.8
Answer:
Y= 1/2 cos4X (Option 3)
Step-by-step explanation:
It cuts axis at 0.5