Reputation: 4705
I want to sum this function up:
=I3*(A3*0.014+0.25)+I4*(A4*0.014+0.25)+I5*(A5*0.014+0.25)+....
But I don't know which function to use to sum everything to one. That doesn't work unfortunately
=SUM(I3:I9)*(SUM(A3:A9)*0.014+0.25)
Upvotes: 1
Views: 35
Reputation: 152525
Use SUMPRODUCT:
=SUMPRODUCT(I3:I9 * (A3:A9 * 0.014 + 0.25))
Upvotes: 2