Warren weightlifter joined a health club. there was a $40 registration fee and a $27.50 monthly fee. if warren visits the club 3 times a week for a year, what does each workout cost him? $ per visit.

A year's subscription would cost $40 + (12 * $27.50) = $370 

If Warren visited the club 3 times per week, how many times per year is that? The average number of calendar days in a calendar year is 365 + (1/4) - (1/100) + (1/400) = 365.2425. Divide that by 7 to get the average number of calendar weeks in a calendar year: 52.1775. Multiply that by 3 to get 
the number of times Warren visited the club in a year: 156.5325, let's round that off to 157. 

So $370 divided by 157 visits is about $2.36 per visit.

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A) for the n row: 22+(n-1)×6therefore,b) 100-22=78that means (n-1)×6=7878÷6=1313+1=1414th row has 100 seats