math
posted by buffy on .
the arithmetic series 1 + 4 + 7 + ....tn has a sum of 1001. how many terms does the series have?

apply arithmetic progression formula !If you don't know then search arithmetic progression on GOOGLE!
posted by buffy on .
the arithmetic series 1 + 4 + 7 + ....tn has a sum of 1001. how many terms does the series have?
apply arithmetic progression formula !If you don't know then search arithmetic progression on GOOGLE!