If there are a total of 17,100 seat available for a game. if 62% of the tickets are sold, how many seats are in the arena

Well first of all we would have to find 1% of the total seats 
but first we need to understand that 38% arent sold, and there are 17,100 left. So to find 1 % we divide 17,100 and 38 so lets do that math:)
17,100 ÷ 38 = 450 
so now we know that 1% = 450 seats 
lets multiply that by 100 to get how many seats that are in the arena...
450 x 100 = 45,000
so there are 45,000 seats in the arena 
hope this helps:) 
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The slope of the function is 0.5.