Question

In an opera theater, sections of seating consisting of 3 rows are being laid out. It Is planned so each row will be 2 more seats than the one before it and 90 people must be seated in each section. How many people will be in the 3rd row?

Answer 1

Okay, first 90/3=30 each will have
30 + 2 = 32
↑
30 +2 = 32 then 32 - 2 = 30
↑
30 - 2 = 28