Problema Solution

a concert is being held in a gymnasium that can hold no more than 550 people. A permanent bleacher will seat 30 people. The event organizers are setting up 20 rows of chairs. At most, how many chairs can be in each row?

Answer provided by our tutors

let 'x' be the number of chairs in each row, x is integer, x>0


the total number of chairs = permanent bleacher chairs + the chairs in the 20 rows


30 + 20*x <= 550


by solving the inequality we find


x <= 26


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there can be not more then 26 chairs in each row.