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Luda [366]
3 years ago
11

A public beach in Florida charges non residents $8 per day for a fishing license and $2.50 per day for live bait. Florida reside

nts pay an anual fee of $114 plus $1 per day for live bait. How many days must both a resident and a non resident use the beach in one year so that both pay the same amount? Show all work.
Mathematics
1 answer:
melamori03 [73]3 years ago
3 0

For a non-resident:

C_{nr}=8d+2.5d=10.5d

For a resident:

C_{r}=114+1d

We want to know the number of days d such that the two costs are equal ie \{d|C_{nr}(d)=C_{r}(d)\}

To do this set the two costs equal to each other:

C_{nr}=C_{r}

10.5d=114+1d

And solve for d:

10.5d-1d=114+1d-1d

9.5d=114

d=\frac{114}{9.5}

d=12

The costs will be equal when a resident and a non-resident each use the beach for 12 days.



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