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4. The cost to rent a room for a party is a one-time fee of $90 plus $60 per hour for a DJ. If the cost of the party was $300, how many hours did they have the DJ?
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4. The cost to rent a room for a party is a one-time fee of $90 plus $60 per hour

for a DJ. If the cost of the party was $300, how many hours did they have the DJ?

User Morphyish
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1 Answer

3 votes
They were there for 3.5 hours because 300-90=210/60=3.5
User Hossein Mansouri
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