This is working:
=if(sum(D6:K6), sumproduct(D6:K6,D6:K6,$D$5:$K$5)/(10*sumproduct($D$5:$K$5,$D$5:$K$5)))
Cheers for help!
@CYOA started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
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This is working:
Cheers for help!