Rift Valley 4,857,000 votes. Ruto 90%
Mt Kenya 5,879,000 votes. Ruto 80%
DP Ruto starts at 4,371,300 + 4,703,200 = 9,074,500
Give him 87% turnout =7,894,815
Give him 30% of the remaining 13,100,000 = 3,930,000
@70
% turnout = 2,751,000 + 7,894,815= 10,645,815
Which is 59.81%!