The charity gala will cost $200 if it has 20 attendees. If there are 85 attendees, how much will the charity gala cost? Assume the relationship is directly proportional.
Question
The charity gala will cost $200 if it has 20 attendees. If there are 85 attendees, how much will the charity gala cost? Assume the relationship is directly proportional.
Solution
Step 1: Understand the problem. The cost of the charity gala is directly proportional to the number of attendees. This means that as the number of attendees increases, the cost of the gala also increases at the same rate.
Step 2: Find the rate of increase. In this case, we know that the gala costs 200/20 = $10 per attendee.
Step 3: Apply the rate to the new number of attendees. If there are 85 attendees, and the cost increases by 10 = $850.
So, if there are 85 attendees, the charity gala will cost $850.
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