Let's see what to do buddy...
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The sum of the angles of each n-sided figure is found in the following equation :

The question's figure is 5-sindes figure
so the sum the angles equal :

So we have :


Subtract the sides of the equation minus 479


And we're done.
Thanks for watching buddy good luck.
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Answer:
-7
Step-by-step explanation:

Answer: 795 miles
Step-by-step explanation:
D = st
D = 53 m/h * 15 h
D = 795 miles