SOLUTION: in an opera theater, sections of seating consisting of 3 rows are being laid out. it is planned so each row will he 2 more seats then the one beforeit amd 90 people must he seated

Algebra ->  Problems-with-consecutive-odd-even-integers -> SOLUTION: in an opera theater, sections of seating consisting of 3 rows are being laid out. it is planned so each row will he 2 more seats then the one beforeit amd 90 people must he seated       Log On


   

Question 996668: in an opera theater, sections of seating consisting of 3 rows are being laid out. it is planned so each row will he 2 more seats then the one beforeit amd 90 people must he seated in eace section. how many people will be seated in the 3ed row
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
x = number of people in the first row

x + (x+2) + (x+4) = 90
3x + 6 = 90
3x = 84
x = 28

There will be x+4 = 32 people in the 3rd row.