Which pair of angle measures is supplementary?
1 answer:
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The answer is $213 because you subtract the price sold by the price he bought them for and then you add them together (see work)
For a non-resident:
For a resident:
We want to know the number of days such that the two costs are equal ie
To do this set the two costs equal to each other:
And solve for d:
The costs will be equal when a resident and a non-resident each use the beach for 12 days.