the front row of a stadium has 25 seats. each of the other rows has two more seats than the row in front of it. how many seats are there altogether in the first 20 rows?

Question

anonymous · Answer

25+(x*2)

anonymous · Answer

oh wow, thanks for the quick response!

anonymous · Answer

not finished

anonymous · Answer

@timo86m :can u explain how did u get that ?

anonymous · Answer

im studying for the SATs and am struggling greatly with permutations

anonymous · Answer

sequences*

anonymous · Answer

@Megichu : U know A.Sequence basics ?

anonymous · Answer

2+2+2+2...=19*2  =38

25+(19*25)+38

anonymous · Answer

i understand what the basic formula is, but interpreting the problem at times can be difficult

anonymous · Answer

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