Question

Please help! Will give medal!

Write the sum using summation notation, assuming the suggested pattern continues.

-8 - 3 + 2 + 7 + ... + 67

Answer 1

what is the rate of increase just by looking at it

Answer 2

+5

Answer 3

@gerycurl

Answer 4

ok so then how would you not me but you think you would figure this out then we will go from there

Answer 5

i understand the first term and that the patter goes by 5 but how do i know what number goes on top in summation form