For this case we have by definition, if "y" varies directly with "x", then it is true that:

Where:
k: It is the constant of proportionality
We have the following equation:

So, as mentioned above we have to:

Answer:

Option B
Answer:
4/x-1 is the correct answer
Step-by-step explanation:
Answer: 
Step-by-step explanation:
Given
A group of friends has $310 to spend
Parking costs $9 and ticket cost $35 per person
Suppose there are x friends who go to amusement park
So, the cost of tickets and parking must be less than or equal to $310

This indicates that there sholud be maximum 8 persons who can go to amusement park with this much money.
6,000 because 6 it in the thousands place
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