A car park charges $50 fore the first 2 hours and $10 for ea
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A car park charges $50 fore the first 2 hours and $10 for each additional hour.
Find the number of parking hours if the average parking rate is $16/h.
Find the number of parking hours if the average parking rate is $16/h.
x:number of parking hours
y:number of parking charge
then y=50+10(x-2)=10x+30
average parking rate is y/x=10+30/x
since y/x=16,x=5
y:number of parking charge
then y=50+10(x-2)=10x+30
average parking rate is y/x=10+30/x
since y/x=16,x=5
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